dokku/dokku-postgres
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Pass environment variables to docker container

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This change allows arbitrary environment variables to be passed to the
underlying docker container. Useful when using postgres docker
containers which allow for additional configuration on top of the
official postgres image.

See https://github.com/mcolyer/docker-postgres-wale for an example.
This commit is contained in:
Matt Colyer
2015-10-26 21:05:53 -07:00
parent 8f392acf22
commit 3c1c8f9e80
2 changed files with 6 additions and 2 deletions
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2
README.md
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@@ -24,7 +24,7 @@ dokku plugin:install https://github.com/dokku/dokku-postgres.git postgres
``` ```
postgres:clone <name> <new-name> Create container <new-name> then copy data from <name> into <new-name> postgres:clone <name> <new-name> Create container <new-name> then copy data from <name> into <new-name>
postgres:connect <name> Connect via psql to a postgres service postgres:connect <name> Connect via psql to a postgres service
postgres:create <name> Create a postgres service postgres:create <name> <env=val> Create a postgres service with environment variables
postgres:destroy <name> Delete the service and stop its container if there are no links left postgres:destroy <name> Delete the service and stop its container if there are no links left
postgres:export <name> Export a dump of the postgres service database postgres:export <name> Export a dump of the postgres service database
postgres:expose <name> [port] Expose a postgres service on custom port if provided (random port otherwise) postgres:expose <name> [port] Expose a postgres service on custom port if provided (random port otherwise)

6
commands
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@@ -31,8 +31,12 @@ case "$1" in
touch "$LINKS_FILE" touch "$LINKS_FILE"
dokku_log_info1 "Starting container" dokku_log_info1 "Starting container"
ENVIRONMENT=""
for arg in "${@:2}"; do
ENVIRONMENT="$ENVIRONMENT -e $arg"
done
SERVICE_NAME=$(get_service_name "$SERVICE") SERVICE_NAME=$(get_service_name "$SERVICE")
ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/var/lib/postgresql/data" -e "POSTGRES_PASSWORD=$password" -d --restart always --label dokku=service --label dokku.service=postgres "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION") ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/var/lib/postgresql/data" $ENVIRONMENT -e "POSTGRES_PASSWORD=$password" -d --restart always --label dokku=service --label dokku.service=postgres "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION")
echo "$ID" > "$SERVICE_ROOT/ID" echo "$ID" > "$SERVICE_ROOT/ID"
dokku_log_verbose_quiet "Waiting for container to be ready" dokku_log_verbose_quiet "Waiting for container to be ready"