Release 1.27.0

fix: properly support new image and image-version values during plugin upgrades

.devcontainer/20_init_plugin

@@ -18,7 +18,7 @@ main() {
   # built in the Dockerfile
   PLUGIN_NAME="$(source /tmp/.env && echo "$PLUGIN_NAME")"
   PLUGIN_VARIABLE="$(source /tmp/.env && echo "$PLUGIN_VARIABLE")"
-  echo "export ${PLUGIN_VARIABLE}_HOST_ROOT=${SERVICE_HOST_ROOT}/$PLUGIN_NAME" > /etc/default/dokku
+  echo "export ${PLUGIN_VARIABLE}_HOST_ROOT=${SERVICE_HOST_ROOT}/$PLUGIN_NAME" >/etc/default/dokku
 }
 
 main "$@"

Dockerfile

@@ -1 +1 @@
-FROM postgres:14.4
+FROM postgres:14.5

README.md

@@ -1,6 +1,6 @@
-# dokku postgres [![Build Status](https://img.shields.io/github/workflow/status/dokku/dokku-postgres/CI/master?style=flat-square "Build Status")](https://github.com/dokku/dokku-postgres/actions/workflows/ci.yml?query=branch%3Amaster) [![IRC Network](https://img.shields.io/badge/irc-libera-blue.svg?style=flat-square "IRC Libera")](https://webchat.libera.chat/?channels=dokku)
+# dokku postgres [![Build Status](https://img.shields.io/github/actions/workflow/status/dokku/dokku-postgres/ci.yml?branch=master&style=flat-square "Build Status")](https://github.com/dokku/dokku-postgres/actions/workflows/ci.yml?query=branch%3Amaster) [![IRC Network](https://img.shields.io/badge/irc-libera-blue.svg?style=flat-square "IRC Libera")](https://webchat.libera.chat/?channels=dokku)
 
-Official postgres plugin for dokku. Currently defaults to installing [postgres 14.4](https://hub.docker.com/_/postgres/).
+Official postgres plugin for dokku. Currently defaults to installing [postgres 14.5](https://hub.docker.com/_/postgres/).
 
 ## Requirements
 
@@ -41,6 +41,7 @@ postgres:linked <service> <app>                    # check if the postgres servi
 postgres:links <service>                           # list all apps linked to the postgres service
 postgres:list                                      # list all postgres services
 postgres:logs <service> [-t|--tail] <tail-num-optional> # print the most recent log(s) for this service
+postgres:pause <service>                           # pause a running postgres service
 postgres:promote <service> <app>                   # promote service <service> as DATABASE_URL in <app>
 postgres:restart <service>                         # graceful shutdown and restart of the postgres service container
 postgres:start <service>                           # start a previously stopped postgres service
@@ -95,7 +96,7 @@ export POSTGRES_CUSTOM_ENV="USER=alpha;HOST=beta"
 dokku postgres:create lollipop
 ```
 
-Official Postgres docker images does not include postgis extension (amongst others). The following example creates a new postgres service using `postgis/postgis:13-3.1` image, which includes the `postgis` extension.
+Official Postgres "$DOCKER_BIN" image ls does not include postgis extension (amongst others). The following example creates a new postgres service using `postgis/postgis:13-3.1` image, which includes the `postgis` extension.
 
 ```shell
 dokku postgres:create postgis-database --image "postgis/postgis" --image-version "13-3.1"
@@ -376,12 +377,25 @@ dokku postgres:start lollipop
 dokku postgres:stop <service>
 ```
 
-Stop the service and the running container:
+Stop the service and removes the running container:
 
 ```shell
 dokku postgres:stop lollipop
 ```
 
+### pause a running postgres service
+
+```shell
+# usage
+dokku postgres:pause <service>
+```
+
+Pause the running container for the service:
+
+```shell
+dokku postgres:pause lollipop
+```
+
 ### graceful shutdown and restart of the postgres service container
 
 ```shell
@@ -722,8 +736,8 @@ Remove the scheduled backup from cron:
 dokku postgres:backup-unschedule lollipop
 ```
 
-### Disabling `docker pull` calls
+### Disabling `docker image pull` calls
 
-If you wish to disable the `docker pull` calls that the plugin triggers, you may set the `POSTGRES_DISABLE_PULL` environment variable to `true`. Once disabled, you will need to pull the service image you wish to deploy as shown in the `stderr` output.
+If you wish to disable the `docker image pull` calls that the plugin triggers, you may set the `POSTGRES_DISABLE_PULL` environment variable to `true`. Once disabled, you will need to pull the service image you wish to deploy as shown in the `stderr` output.
 
-Please ensure the proper images are in place when `docker pull` is disabled.
+Please ensure the proper images are in place when `docker image pull` is disabled.

bin/generate

@@ -35,7 +35,7 @@ def header(service):
     return " ".join(
         [
             f"# dokku {service}",
-            f'[![Build Status](https://img.shields.io/github/workflow/status/dokku/dokku-{service}/CI/master?style=flat-square "Build Status")](https://github.com/dokku/dokku-{service}/actions/workflows/ci.yml?query=branch%3Amaster)',
+            f'[![Build Status](https://img.shields.io/github/actions/workflow/status/dokku/dokku-{service}/ci.yml?branch=master&style=flat-square "Build Status")](https://github.com/dokku/dokku-{service}/actions/workflows/ci.yml?query=branch%3Amaster)',
             f'[![IRC Network](https://img.shields.io/badge/irc-libera-blue.svg?style=flat-square "IRC Libera")](https://webchat.libera.chat/?channels=dokku)',
         ]
     )
@@ -148,6 +148,7 @@ def usage_lifecycle(service, variable, alias, image, scheme, ports, options, uni
         "promote",
         "start",
         "stop",
+        "pause",
         "restart",
         "upgrade",
     ]
@@ -222,11 +223,11 @@ def usage_docker_pull(service, variable, alias, image, scheme, ports, options, u
     service_prefix = service.upper()
     return "\n".join(
         [
-            "### Disabling `docker pull` calls",
+            "### Disabling `docker image pull` calls",
             "",
-            f"If you wish to disable the `docker pull` calls that the plugin triggers, you may set the `{service_prefix}_DISABLE_PULL` environment variable to `true`. Once disabled, you will need to pull the service image you wish to deploy as shown in the `stderr` output.",
+            f"If you wish to disable the `docker image pull` calls that the plugin triggers, you may set the `{service_prefix}_DISABLE_PULL` environment variable to `true`. Once disabled, you will need to pull the service image you wish to deploy as shown in the `stderr` output.",
             "",
-            "Please ensure the proper images are in place when `docker pull` is disabled.",
+            "Please ensure the proper images are in place when `docker image pull` is disabled.",
         ]
     )
 

common-functions

@@ -48,17 +48,27 @@ auth_service_filter() {
   export SSH_USER=${SSH_USER:=$USER}
   export SSH_NAME=${NAME:="default"}
   # the output of this trigger should be all the services a user has access to
-  plugn trigger user-auth-service "$SSH_USER" "$SSH_NAME" "${SERVICES[@]}"
+  plugn trigger user-auth-service "$SSH_USER" "$SSH_NAME" "$PLUGIN_COMMAND_PREFIX" "${SERVICES[@]}"
 }
 
 fn-services-list() {
   declare desc="prints a filtered list of all local apps"
   declare FILTER="$1"
-  local detected_services filtered_services services
+  local services=()
+
+  pushd "$PLUGIN_DATA_ROOT" >/dev/null
+  for f in *; do
+    [[ -d $f ]] || continue
+    services+=("$f")
+  done
+  popd &>/dev/null || pushd "/tmp" >/dev/null
+
+  if [[ "${#services[@]}" -eq 0 ]]; then
+    return
+  fi
 
-  local detected_services=("$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)")
   if [[ "$FILTER" == "false" ]]; then
-    for service in "${detected_services[@]}"; do
+    for service in "${services[@]}"; do
       if [[ -n "$service" ]]; then
         echo "$service"
       fi
@@ -66,8 +76,7 @@ fn-services-list() {
     return
   fi
 
-  filtered_services="$(auth_service_filter "${detected_services[@]}" 2>/dev/null)"
+  for service in $(auth_service_filter "${services[@]}" 2>/dev/null); do
-  for service in "$filtered_services"; do
     if [[ -n "$service" ]]; then
       echo "$service"
     fi
@@ -85,7 +94,7 @@ docker_ports_options() {
 get_container_ip() {
   declare desc="retrieve the ip address of a container"
   declare CONTAINER_ID="$1"
-  docker inspect --format '{{ .NetworkSettings.IPAddress }}' "$CONTAINER_ID" 2>/dev/null
+  "$DOCKER_BIN" container inspect --format '{{ .NetworkSettings.IPAddress }}' "$CONTAINER_ID" 2>/dev/null
 }
 
 get_database_name() {
@@ -94,7 +103,7 @@ get_database_name() {
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
 
   if [[ ! -f "$SERVICE_ROOT/DATABASE_NAME" ]]; then
-    echo "$SERVICE" > "$SERVICE_ROOT/DATABASE_NAME"
+    echo "$SERVICE" >"$SERVICE_ROOT/DATABASE_NAME"
   fi
 
   cat "$SERVICE_ROOT/DATABASE_NAME"
@@ -144,7 +153,7 @@ is_container_status() {
   declare desc="return 0 or 1 depending upon whether a given container has a certain status"
   declare CID="$1" STATUS="$2"
   local TEMPLATE="{{.State.$STATUS}}"
-  local CONTAINER_STATUS=$(docker inspect -f "$TEMPLATE" "$CID" 2>/dev/null || true)
+  local CONTAINER_STATUS=$("$DOCKER_BIN" container inspect -f "$TEMPLATE" "$CID" 2>/dev/null || true)
 
   if [[ "$CONTAINER_STATUS" == "true" ]]; then
     return 0
@@ -199,7 +208,7 @@ retry-docker-command() {
   local i=0 success=false
   until [ $i -ge 100 ]; do
     set +e
-    suppress_output docker exec "$ID" sh -c "$COMMAND"
+    suppress_output "$DOCKER_BIN" container exec "$ID" sh -c "$COMMAND"
     exit_code=$?
     set -e
     if [[ "$exit_code" == 0 ]]; then
@@ -237,8 +246,7 @@ service_app_links() {
   declare APP="$1"
   local LINKED_APP SERVICE SERVICE_ROOT
 
-  pushd "$PLUGIN_DATA_ROOT" >/dev/null
+  for SERVICE in $(fn-services-list true); do
-  for SERVICE in $(fn-services-list); do
     [[ -n "$SERVICE" ]] || continue
 
     SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
@@ -273,7 +281,7 @@ service_backup() {
   BACKUP_TMPDIR=$(mktemp -d --tmpdir)
   trap 'rm -rf "$BACKUP_TMPDIR" > /dev/null' RETURN INT TERM EXIT
 
-  docker inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
+  "$DOCKER_BIN" container inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
   is_container_status "$ID" "Running" || dokku_log_fail "Service container is not running"
 
   (service_export "$SERVICE" >"${BACKUP_TMPDIR}/export")
@@ -300,7 +308,7 @@ service_backup() {
   fi
 
   # shellcheck disable=SC2086
-  docker run --rm $BACKUP_PARAMETERS "$PLUGIN_S3BACKUP_IMAGE"
+  "$DOCKER_BIN" container run --rm $BACKUP_PARAMETERS "$PLUGIN_S3BACKUP_IMAGE"
 }
 
 service_commit_config() {
@@ -309,7 +317,6 @@ service_commit_config() {
   local CONFIG_VARIABLE="${PLUGIN_VARIABLE}_CONFIG_OPTIONS"
   local ENV_VARIABLE="${PLUGIN_VARIABLE}_CUSTOM_ENV"
 
-
   custom_env="${!ENV_VARIABLE}"
   [[ -n "$SERVICE_CUSTOM_ENV" ]] && custom_env="$SERVICE_CUSTOM_ENV"
   if [[ -n $custom_env ]]; then
@@ -436,16 +443,16 @@ service_container_rm() {
   local SERVICE_NAME="$(get_service_name "$SERVICE")"
   local ID
 
-  service_stop "$SERVICE"
+  service_pause "$SERVICE"
-  ID=$(docker ps -aq --no-trunc --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
+  ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
   # this may be 'true' in tests...
   if [[ -z "$ID" ]] || [[ "$ID" == "true" ]]; then
     return 0
   fi
 
   dokku_log_verbose_quiet "Removing container"
-  docker update --restart=no "$SERVICE_NAME" >/dev/null 2>&1
+  "$DOCKER_BIN" container update --restart=no "$SERVICE_NAME" >/dev/null 2>&1
-  if ! docker rm "$SERVICE_NAME" >/dev/null 2>&1; then
+  if ! "$DOCKER_BIN" container rm "$SERVICE_NAME" >/dev/null 2>&1; then
     dokku_log_fail "Unable to remove container for service $SERVICE"
   fi
 }
@@ -463,13 +470,13 @@ service_enter() {
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local ID="$(cat "$SERVICE_ROOT/ID")"
 
-  docker inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
+  "$DOCKER_BIN" container inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
   is_container_status "$ID" "Running" || dokku_log_fail "Service container is not running"
 
   local EXEC_CMD=""
   has_tty && local DOKKU_RUN_OPTS+=" -i -t"
   # shellcheck disable=SC2086
-  docker exec $DOKKU_RUN_OPTS $ID $EXEC_CMD "${@:-/bin/bash}"
+  "$DOCKER_BIN" container exec $DOKKU_RUN_OPTS $ID $EXEC_CMD "${@:-/bin/bash}"
 }
 
 service_exists() {
@@ -494,15 +501,21 @@ service_exposed_ports() {
 
 service_image_exists() {
   declare desc="check if the current image exists"
-  declare SERVICE="$1"
+  declare SERVICE="$1" PLUGIN_IMAGE="${2:-$PLUGIN_IMAGE}" PLUGIN_IMAGE_VERSION="${3:-$PLUGIN_IMAGE_VERSION}"
   local plugin_image="$PLUGIN_IMAGE"
   local plugin_image_version="$PLUGIN_IMAGE_VERSION"
 
-  [[ -f "$SERVICE_ROOT/IMAGE" ]] && plugin_image="$(cat "$SERVICE_ROOT/IMAGE")"
+  if [[ -z "$PLUGIN_IMAGE" ]] && [[ -f "$SERVICE_ROOT/IMAGE" ]]; then
-  [[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && plugin_image_version="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
+    plugin_image="$(cat "$SERVICE_ROOT/IMAGE")"
+  fi
+
+  if [[ -z "$PLUGIN_IMAGE_VERSION" ]] && [[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]]; then
+    plugin_image_version="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
+  fi
+
   local IMAGE="$plugin_image:$plugin_image_version"
 
-  if [[ "$(docker images -q "$IMAGE" 2>/dev/null)" == "" ]]; then
+  if [[ "$("$DOCKER_BIN" image ls -q "$IMAGE" 2>/dev/null)" == "" ]]; then
     return 1
   fi
 
@@ -637,7 +650,7 @@ service_links() {
 service_list() {
   declare desc="list all services and their status"
 
-  services=("$(fn-services-list true)")
+  mapfile -t services < <(fn-services-list true)
   if [[ "${#services[@]}" -eq 0 ]] || [[ -z "$services" ]]; then
     dokku_log_warn "There are no $PLUGIN_SERVICE services"
     return
@@ -645,7 +658,7 @@ service_list() {
 
   dokku_log_info2_quiet "$PLUGIN_SERVICE services"
   for service in "${services[@]}"; do
-    echo "$service"
+    echo "${service}"
   done
 }
 
@@ -661,11 +674,11 @@ service_logs() {
     DOKKU_LOGS_ARGS+=" --follow"
   fi
 
-  docker inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
+  "$DOCKER_BIN" container inspect "$ID" &>/dev/null || dokku_log_fail "Service container does not exist"
   is_container_status "$ID" "Running" || dokku_log_warn "Service logs may not be output as service is not running"
 
   # shellcheck disable=SC2086
-  docker logs $DOKKU_LOGS_ARGS "$ID" 2>&1
+  "$DOCKER_BIN" container logs $DOKKU_LOGS_ARGS "$ID" 2>&1
 }
 
 service_parse_args() {
@@ -783,7 +796,7 @@ service_port_pause() {
   fi
 
   local GREP_NAME="^/${EXPOSED_NAME}$"
-  local CONTAINER_NAME="$(docker ps -f name="$GREP_NAME" --format "{{.Names}}")"
+  local CONTAINER_NAME="$("$DOCKER_BIN" container ps -f name="$GREP_NAME" --format "{{.Names}}")"
   if [[ -z "$CONTAINER_NAME" ]]; then
     if [[ "$LOG_FAIL" == "true" ]]; then
       dokku_log_info1 "Service $SERVICE unexposed"
@@ -792,8 +805,8 @@ service_port_pause() {
     return
   fi
 
-  docker stop "$EXPOSED_NAME" >/dev/null 2>&1 || true
+  "$DOCKER_BIN" container stop "$EXPOSED_NAME" >/dev/null 2>&1 || true
-  docker rm "$EXPOSED_NAME" >/dev/null 2>&1 || true
+  "$DOCKER_BIN" container rm "$EXPOSED_NAME" >/dev/null 2>&1 || true
   if [[ "$LOG_FAIL" == "true" ]]; then
     dokku_log_info1 "Service $SERVICE unexposed"
   fi
@@ -833,7 +846,7 @@ service_port_unpause() {
   echo "${PORTS[@]}" >"$PORT_FILE"
 
   # shellcheck disable=SC2046
-  docker run -d --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" --name "$EXPOSED_NAME" $(docker_ports_options "${PORTS[@]}") --restart always --label dokku=ambassador --label "dokku.ambassador=$PLUGIN_COMMAND_PREFIX" "$PLUGIN_AMBASSADOR_IMAGE" >/dev/null
+  "$DOCKER_BIN" container run -d --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" --name "$EXPOSED_NAME" $(docker_ports_options "${PORTS[@]}") --restart always --label dokku=ambassador --label "dokku.ambassador=$PLUGIN_COMMAND_PREFIX" "$PLUGIN_AMBASSADOR_IMAGE" >/dev/null
   if [[ "$LOG_FAIL" == "true" ]]; then
     dokku_log_info1 "Service $SERVICE exposed on port(s) [container->host]: $(service_exposed_ports "$SERVICE")"
   fi
@@ -884,24 +897,24 @@ service_status() {
   local ID="$(cat "$SERVICE_ROOT/ID")"
   local CONTAINER_STATUS
 
-  CONTAINER_STATUS=$(docker inspect -f "{{.State.Status}}" "$ID" 2>/dev/null || true)
+  CONTAINER_STATUS=$("$DOCKER_BIN" container inspect -f "{{.State.Status}}" "$ID" 2>/dev/null || true)
   [[ -n "$CONTAINER_STATUS" ]] && echo "$CONTAINER_STATUS" && return 0
   echo "missing" && return 0
 }
 
-service_stop() {
+service_pause() {
-  declare desc="stop a running service"
+  declare desc="pause a running service"
   declare SERVICE="$1"
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local SERVICE_NAME="$(get_service_name "$SERVICE")"
-  local ID=$(docker ps -aq --no-trunc --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
+  local ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
-  [[ -z $ID ]] && dokku_log_warn "Service is already stopped" && return 0
+  [[ -z $ID ]] && dokku_log_warn "Service is already paused" && return 0
 
   if [[ -n $ID ]]; then
-    dokku_log_info2_quiet "Stopping container"
+    dokku_log_info2_quiet "Pausing container"
-    docker stop "$SERVICE_NAME" >/dev/null
+    "$DOCKER_BIN" container stop "$SERVICE_NAME" >/dev/null
     service_port_pause "$SERVICE"
-    dokku_log_verbose_quiet "Container stopped"
+    dokku_log_verbose_quiet "Container paused"
   else
     dokku_log_verbose_quiet "No container exists for $SERVICE"
   fi
@@ -942,7 +955,7 @@ service_version() {
   declare desc="display the running version for an image"
   declare SERVICE="$1"
   local SERVICE_NAME="$(get_service_name "$SERVICE")"
-  docker inspect -f '{{.Config.Image}}' "$SERVICE_NAME" 2>/dev/null || true
+  "$DOCKER_BIN" container inspect -f '{{.Config.Image}}' "$SERVICE_NAME" 2>/dev/null || true
 }
 
 update_plugin_scheme_for_app() {
@@ -981,5 +994,5 @@ write_database_name() {
 
   # some datastores do not like special characters in database names
   # so we need to normalize them out
-  echo "$SERVICE" | tr .- _ > "$SERVICE_ROOT/DATABASE_NAME"
+  echo "$SERVICE" | tr .- _ >"$SERVICE_ROOT/DATABASE_NAME"
 }

config

@@ -3,7 +3,8 @@ _DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 export POSTGRES_IMAGE=${POSTGRES_IMAGE:="$(awk -F '[ :]' '{print $2}' "${_DIR}/Dockerfile")"}
 export POSTGRES_IMAGE_VERSION=${POSTGRES_IMAGE_VERSION:="$(awk -F '[ :]' '{print $3}' "${_DIR}/Dockerfile")"}
 export POSTGRES_ROOT=${POSTGRES_ROOT:="$DOKKU_LIB_ROOT/services/postgres"}
-export POSTGRES_HOST_ROOT=${POSTGRES_HOST_ROOT:=$POSTGRES_ROOT}
+export DOKKU_LIB_HOST_ROOT=${DOKKU_LIB_HOST_ROOT:=$DOKKU_LIB_ROOT}
+export POSTGRES_HOST_ROOT=${POSTGRES_HOST_ROOT:="$DOKKU_LIB_HOST_ROOT/services/postgres"}
 
 export PLUGIN_UNIMPLEMENTED_SUBCOMMANDS=()
 export PLUGIN_COMMAND_PREFIX="postgres"
@@ -27,9 +28,9 @@ if [[ -n $DOKKU_API_VERSION ]]; then
   export PLUGIN_BASE_PATH="$PLUGIN_ENABLED_PATH"
 fi
 
-export PLUGIN_BUSYBOX_IMAGE="busybox:1.31.1-uclibc"
+export PLUGIN_BUSYBOX_IMAGE="busybox:1.34.1-uclibc"
-export PLUGIN_AMBASSADOR_IMAGE="dokku/ambassador:0.3.3"
+export PLUGIN_AMBASSADOR_IMAGE="dokku/ambassador:0.5.0"
-export PLUGIN_S3BACKUP_IMAGE="dokku/s3backup:0.10.3"
+export PLUGIN_S3BACKUP_IMAGE="dokku/s3backup:0.14.0"
-export PLUGIN_WAIT_IMAGE="dokku/wait:0.4.3"
+export PLUGIN_WAIT_IMAGE="dokku/wait:0.6.0"
 
 export POSTGRES_CONFIG_OPTIONS=${POSTGRES_CONFIG_OPTIONS:=""}

docs/create.md

@@ -1,4 +1,4 @@
-Official Postgres docker images does not include postgis extension (amongst others). The following example creates a new postgres service using `postgis/postgis:13-3.1` image, which includes the `postgis` extension.
+Official Postgres "$DOCKER_BIN" image ls does not include postgis extension (amongst others). The following example creates a new postgres service using `postgis/postgis:13-3.1` image, which includes the `postgis` extension.
 
 ```shell
 dokku postgres:create postgis-database --image "postgis/postgis" --image-version "13-3.1"

functions

@@ -17,7 +17,7 @@ service_connect() {
   local SERVICE_TTY_OPTS
   has_tty && SERVICE_TTY_OPTS="-t"
 
-  docker exec --env=LANG=C.UTF-8 --env=LC_ALL=C.UTF-8 -i $SERVICE_TTY_OPTS "$SERVICE_NAME" psql -h localhost -U postgres "$DATABASE_NAME"
+  "$DOCKER_BIN" container exec --env=LANG=C.UTF-8 --env=LC_ALL=C.UTF-8 -i $SERVICE_TTY_OPTS "$SERVICE_NAME" psql -h localhost -U postgres "$DATABASE_NAME"
 }
 
 service_create() {
@@ -33,11 +33,11 @@ service_create() {
   if ! service_image_exists "$SERVICE"; then
     if [[ "$PLUGIN_DISABLE_PULL" == "true" ]]; then
       dokku_log_warn "${PLUGIN_DISABLE_PULL_VARIABLE} environment variable detected. Not running pull command." 1>&2
-      dokku_log_warn "   docker pull ${IMAGE}" 1>&2
+      dokku_log_warn "   docker image pull ${IMAGE}" 1>&2
       dokku_log_warn "$PLUGIN_SERVICE service creation failed"
       exit 1
     fi
-    docker pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
+    "$DOCKER_BIN" image pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
   fi
 
   plugn trigger service-action pre-create "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
@@ -87,21 +87,21 @@ service_create_container() {
   [[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && PLUGIN_IMAGE_VERSION="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
 
   # shellcheck disable=SC2086
-  ID=$(docker run --name "$SERVICE_NAME" $MEMORY_LIMIT $SHM_SIZE -v "$SERVICE_HOST_ROOT/data:/var/lib/postgresql/data" -e "POSTGRES_PASSWORD=$PASSWORD" --env-file="$SERVICE_ROOT/ENV" -d --restart always --label dokku=service --label dokku.service=postgres "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" $CONFIG_OPTIONS)
+  ID=$("$DOCKER_BIN" container run --name "$SERVICE_NAME" $MEMORY_LIMIT $SHM_SIZE -v "$SERVICE_HOST_ROOT/data:/var/lib/postgresql/data" -e "POSTGRES_PASSWORD=$PASSWORD" --env-file="$SERVICE_ROOT/ENV" -d --restart always --label dokku=service --label dokku.service=postgres "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" $CONFIG_OPTIONS)
   echo "$ID" >"$SERVICE_ROOT/ID"
 
   dokku_log_verbose_quiet "Waiting for container to be ready"
-  docker run --rm --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" "$PLUGIN_WAIT_IMAGE" -p "$PLUGIN_DATASTORE_WAIT_PORT" >/dev/null
+  "$DOCKER_BIN" container run --rm --link "$SERVICE_NAME:$PLUGIN_COMMAND_PREFIX" "$PLUGIN_WAIT_IMAGE" -p "$PLUGIN_DATASTORE_WAIT_PORT" >/dev/null
 
   dokku_log_verbose_quiet "Creating container database"
-  docker exec "$SERVICE_NAME" su - postgres -c "createdb -E utf8 $DATABASE_NAME" 2>/dev/null || dokku_log_verbose_quiet 'Already exists'
+  "$DOCKER_BIN" container exec "$SERVICE_NAME" su - postgres -c "createdb -E utf8 $DATABASE_NAME" 2>/dev/null || dokku_log_verbose_quiet 'Already exists'
 
   dokku_log_verbose_quiet "Securing connection to database"
-  service_stop "$SERVICE" >/dev/null
+  service_pause "$SERVICE" >/dev/null
-  docker run --rm -i -v "$SERVICE_HOST_ROOT/data:/var/lib/postgresql/data" "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" bash -s <"$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/scripts/enable_ssl.sh" &>/dev/null
+  "$DOCKER_BIN" container run --rm -i -v "$SERVICE_HOST_ROOT/data:/var/lib/postgresql/data" "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" bash -s <"$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/scripts/enable_ssl.sh" &>/dev/null
 
-  PREVIOUS_ID=$(docker ps -aq --no-trunc --filter "status=exited" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
+  PREVIOUS_ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "status=exited" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
-  docker start "$PREVIOUS_ID" >/dev/null
+  "$DOCKER_BIN" container start "$PREVIOUS_ID" >/dev/null
   service_port_unpause "$SERVICE"
 
   dokku_log_info2 "$PLUGIN_SERVICE container created: $SERVICE"
@@ -116,7 +116,7 @@ service_export() {
   local PASSWORD="$(service_password "$SERVICE")"
 
   [[ -n $SSH_TTY ]] && stty -opost
-  docker exec "$SERVICE_NAME" env PGPASSWORD="$PASSWORD" pg_dump -Fc --no-acl --no-owner -h localhost -U postgres -w "$DATABASE_NAME"
+  "$DOCKER_BIN" container exec "$SERVICE_NAME" env PGPASSWORD="$PASSWORD" pg_dump -Fc --no-acl --no-owner -h localhost -U postgres -w "$DATABASE_NAME"
   status=$?
   [[ -n $SSH_TTY ]] && stty opost
   exit $status
@@ -133,7 +133,7 @@ service_import() {
   if [[ -t 0 ]]; then
     dokku_log_fail "No data provided on stdin."
   fi
-  docker exec -i "$SERVICE_NAME" env PGPASSWORD="$PASSWORD" pg_restore -h localhost -cO --if-exists -d "$DATABASE_NAME" -U postgres -w
+  "$DOCKER_BIN" container exec -i "$SERVICE_NAME" env PGPASSWORD="$PASSWORD" pg_restore -h localhost -cO --if-exists -d "$DATABASE_NAME" -U postgres -w
 }
 
 service_start() {
@@ -141,7 +141,7 @@ service_start() {
   local QUIET="$2"
   local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
   local SERVICE_NAME="$(get_service_name "$SERVICE")"
-  local ID=$(docker ps -aq --no-trunc --filter "status=running" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
+  local ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "status=running" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
   if [[ -n $ID ]]; then
     [[ -z $QUIET ]] && dokku_log_warn "Service is already started"
     if [[ ! -f "$SERVICE_ROOT/ID" ]] || [[ "$(cat "$SERVICE_ROOT/ID")" != "$ID" ]]; then
@@ -152,11 +152,11 @@ service_start() {
   fi
 
   dokku_log_info2_quiet "Starting container"
-  local PREVIOUS_ID=$(docker ps -aq --no-trunc --filter "status=exited" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
+  local PREVIOUS_ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "status=exited" --filter "name=^/$SERVICE_NAME$" --format '{{ .ID }}') || true
   local PASSWORD="$(service_password "$SERVICE")"
 
   if [[ -n $PREVIOUS_ID ]]; then
-    docker start "$PREVIOUS_ID" >/dev/null
+    "$DOCKER_BIN" container start "$PREVIOUS_ID" >/dev/null
     service_port_unpause "$SERVICE"
     dokku_log_info2 "Container started"
   elif service_image_exists "$SERVICE" && [[ -n "$PASSWORD" ]]; then

install

@@ -9,11 +9,11 @@ plugin-install() {
     declare IMAGE="$1"
     if [[ "$PLUGIN_DISABLE_PULL" == "true" ]]; then
       echo " !     ${PLUGIN_DISABLE_PULL_VARIABLE} environment variable detected. Not running pull command." 1>&2
-      echo " !        docker pull ${IMAGE}" 1>&2
+      echo " !        docker image pull ${IMAGE}" 1>&2
       return
     fi
-    if [[ "$(docker images -q "${IMAGE}" 2>/dev/null)" == "" ]]; then
+    if [[ "$("$DOCKER_BIN" image ls -q "${IMAGE}" 2>/dev/null)" == "" ]]; then
-      docker pull "${IMAGE}"
+      "$DOCKER_BIN" image pull "${IMAGE}"
     fi
   }
 
@@ -50,8 +50,8 @@ EOL
     if [[ ! -f "$SERVICE_ROOT/IMAGE" ]] || [[ ! -f "$SERVICE_ROOT/IMAGE_VERSION" ]]; then
       local image="$(service_version "$SERVICE")"
       if [[ "$image" == *":"* ]]; then
-        echo "${image%:*}" > "$SERVICE_ROOT/IMAGE"
+        echo "${image%:*}" >"$SERVICE_ROOT/IMAGE"
-        echo "${image##*:}" > "$SERVICE_ROOT/IMAGE_VERSION"
+        echo "${image##*:}" >"$SERVICE_ROOT/IMAGE_VERSION"
       fi
     fi
 

plugin.toml

@@ -1,4 +1,4 @@
 [plugin]
 description = "dokku postgres service plugin"
-version = "1.22.0"
+version = "1.27.0"
 [plugin.config]

service-list

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common-functions"
+set -eo pipefail
+[[ $DOKKU_TRACE ]] && set -x
+
+plugin-service-list() {
+  declare desc="allows listing all services for use by other dokku plugins"
+  declare SERVICE_TYPE="$1"
+
+  if [[ -n "$SERVICE_TYPE" ]] && [[ "$SERVICE_TYPE" != "$PLUGIN_COMMAND_PREFIX" ]]; then
+    return
+  fi
+
+  for service in $(fn-services-list false); do
+    echo "$PLUGIN_COMMAND_PREFIX:$service"
+  done
+}
+
+plugin-service-list "$@"

subcommands/destroy

@@ -46,7 +46,7 @@ service-destroy-cmd() {
   service_container_rm "$SERVICE"
 
   dokku_log_verbose_quiet "Removing data"
-  docker run --rm -v "$SERVICE_HOST_ROOT/data:/data" -v "$SERVICE_HOST_ROOT/$PLUGIN_CONFIG_SUFFIX:/config" "$PLUGIN_BUSYBOX_IMAGE" chmod 777 -R /config /data
+  "$DOCKER_BIN" container run --rm -v "$SERVICE_HOST_ROOT/data:/data" -v "$SERVICE_HOST_ROOT/$PLUGIN_CONFIG_SUFFIX:/config" "$PLUGIN_BUSYBOX_IMAGE" chmod 777 -R /config /data
   rm -rf "$SERVICE_ROOT"
 
   plugn trigger service-action post-delete "$PLUGIN_COMMAND_PREFIX" "$SERVICE"

subcommands/enter

@@ -19,8 +19,8 @@ service-enter-cmd() {
   [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1"
 
-  dokku_log_info1_quiet "Filesystem changes may not persist after container restarts"
   verify_service_name "$SERVICE"
+  dokku_log_info1_quiet "Filesystem changes may not persist after container restarts"
   service_enter "$SERVICE" "${@:2}"
 }
 

subcommands/pause

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/config"
+set -eo pipefail
+[[ $DOKKU_TRACE ]] && set -x
+source "$PLUGIN_BASE_PATH/common/functions"
+source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
+
+service-pause-cmd() {
+  #E pause the running container for the service
+  #E dokku $PLUGIN_COMMAND_PREFIX:pause lollipop
+  #A service, service to run command against
+  declare desc="pause a running $PLUGIN_SERVICE service"
+  local cmd="$PLUGIN_COMMAND_PREFIX:pause" argv=("$@")
+  [[ ${argv[0]} == "$cmd" ]] && shift 1
+  declare SERVICE="$1"
+
+  [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
+  verify_service_name "$SERVICE"
+  service_pause "$SERVICE"
+}
+
+service-pause-cmd "$@"

subcommands/restart

@@ -16,7 +16,7 @@ service-restart-cmd() {
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
   verify_service_name "$SERVICE"
-  service_stop "$SERVICE"
+  service_pause "$SERVICE"
   service_start "$SERVICE"
   dokku_log_info1 "Please call dokku ps:restart on all linked apps"
 }

subcommands/stop

@@ -6,7 +6,7 @@ source "$PLUGIN_BASE_PATH/common/functions"
 source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
 
 service-stop-cmd() {
-  #E stop the service and the running container
+  #E stop the service and removes the running container
   #E dokku $PLUGIN_COMMAND_PREFIX:stop lollipop
   #A service, service to run command against
   declare desc="stop a running $PLUGIN_SERVICE service"
@@ -16,7 +16,7 @@ service-stop-cmd() {
 
   [[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
   verify_service_name "$SERVICE"
-  service_stop "$SERVICE"
+  service_container_rm "$SERVICE"
 }
 
 service-stop-cmd "$@"

subcommands/upgrade

@@ -28,8 +28,14 @@ service-upgrade-cmd() {
 
   service_parse_args "${@:2}"
 
-  if ! service_image_exists "$SERVICE"; then
+  if ! service_image_exists "$SERVICE" "$PLUGIN_IMAGE" "$PLUGIN_IMAGE_VERSION"; then
-    dokku_log_fail "Unable to proceed with upgrade, image ${PLUGIN_IMAGE}:${PLUGIN_IMAGE_VERSION} does not exist"
+    if [[ "$PLUGIN_DISABLE_PULL" == "true" ]]; then
+      dokku_log_warn "${PLUGIN_DISABLE_PULL_VARIABLE} environment variable detected. Not running pull command." 1>&2
+      dokku_log_warn "   docker image pull ${IMAGE}" 1>&2
+      dokku_log_warn "$PLUGIN_SERVICE service $SERVICE upgrade failed"
+      exit 1
+    fi
+    "$DOCKER_BIN" image pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
   fi
 
   local NEW_PLUGIN_IMAGE_TAG="$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION"

tests/hook_pre_delete.bats

@@ -13,7 +13,7 @@ teardown() {
 }
 
 @test "($PLUGIN_COMMAND_PREFIX:hook:pre-delete) removes app from links file when destroying app" {
-  [[ -n $(< "$PLUGIN_DATA_ROOT/l/LINKS") ]]
+  [[ -n $(<"$PLUGIN_DATA_ROOT/l/LINKS") ]]
   dokku --force apps:destroy my-app
-  [[ -z $(< "$PLUGIN_DATA_ROOT/l/LINKS") ]]
+  [[ -z $(<"$PLUGIN_DATA_ROOT/l/LINKS") ]]
 }

tests/service_clone.bats

@@ -30,7 +30,7 @@ teardown() {
 @test "($PLUGIN_COMMAND_PREFIX:clone) error when new service already exists" {
   dokku "$PLUGIN_COMMAND_PREFIX:create" new_service
   run dokku "$PLUGIN_COMMAND_PREFIX:clone" l new_service
-  assert_contains "${lines[*]}" "service new_service already exists"
+  assert_contains "${lines[*]}" "Invalid service name new_service"
   assert_failure
 
   dokku --force "$PLUGIN_COMMAND_PREFIX:destroy" new_service

tests/service_export.bats

@@ -23,7 +23,7 @@ teardown() {
   if [[ -n "$GITHUB_WORKFLOW" ]]; then
     skip "No tty is available on Github Actions"
   fi
-  export SSH_TTY=`tty`
+  export SSH_TTY=$(tty)
   run dokku "$PLUGIN_COMMAND_PREFIX:export" l
   echo "output: $output"
   echo "status: $status"

tests/service_import.bats

@@ -34,7 +34,7 @@ teardown() {
 
 @test "($PLUGIN_COMMAND_PREFIX:import) success" {
   skip "The fake dump is hard to work with in tests"
-  run dokku "$PLUGIN_COMMAND_PREFIX:import" l < "/tmp/fake.dump"
+  run dokku "$PLUGIN_COMMAND_PREFIX:import" l <"/tmp/fake.dump"
   echo "output: $output"
   echo "status: $status"
   assert_success

tests/service_link.bats

@@ -13,7 +13,6 @@ teardown() {
   dokku --force apps:destroy my-app
 }
 
-
 @test "($PLUGIN_COMMAND_PREFIX:link) error when there are no arguments" {
   run dokku "$PLUGIN_COMMAND_PREFIX:link"
   echo "output: $output"

tests/service_pause.bats

@@ -0,0 +1,25 @@
+#!/usr/bin/env bats
+load test_helper
+
+setup() {
+  dokku "$PLUGIN_COMMAND_PREFIX:create" l
+}
+
+teardown() {
+  dokku --force "$PLUGIN_COMMAND_PREFIX:destroy" l
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:pause) error when there are no arguments" {
+  run dokku "$PLUGIN_COMMAND_PREFIX:pause"
+  assert_contains "${lines[*]}" "Please specify a valid name for the service"
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:pause) error when service does not exist" {
+  run dokku "$PLUGIN_COMMAND_PREFIX:pause" not_existing_service
+  assert_contains "${lines[*]}" "service not_existing_service does not exist"
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:pause) success" {
+  run dokku "$PLUGIN_COMMAND_PREFIX:pause" l
+  assert_success
+}

tests/service_restart.bats

@@ -23,4 +23,3 @@ teardown() {
   run dokku "$PLUGIN_COMMAND_PREFIX:restart" l
   assert_success
 }
-

tests/service_start.bats

@@ -23,4 +23,3 @@ teardown() {
   run dokku "$PLUGIN_COMMAND_PREFIX:start" l
   assert_success
 }
-

tests/service_stop.bats

@@ -23,4 +23,3 @@ teardown() {
   run dokku "$PLUGIN_COMMAND_PREFIX:stop" l
   assert_success
 }
-

tests/service_unexpose.bats

@@ -25,4 +25,3 @@ teardown() {
   [[ ! -f $PLUGIN_DATA_ROOT/PORT ]]
   assert_contains "${lines[*]}" "Service l unexposed"
 }
-