diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..48b01a7
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1 @@
+FROM mysql:5.7.28
diff --git a/config b/config
index 6f8316c..bbb1e39 100644
--- a/config
+++ b/config
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
-export MYSQL_IMAGE=${MYSQL_IMAGE:="mysql"}
-export MYSQL_IMAGE_VERSION=${MYSQL_IMAGE_VERSION:="5.7.28"}
+export MYSQL_IMAGE=${MYSQL_IMAGE:="$(awk -F '[ :]' '{print $2}' Dockerfile)"}
+export MYSQL_IMAGE_VERSION=${MYSQL_IMAGE_VERSION:="$(awk -F '[ :]' '{print $3}' Dockerfile)"}
 export MYSQL_ROOT=${MYSQL_ROOT:="$DOKKU_LIB_ROOT/services/mysql"}
 export MYSQL_HOST_ROOT=${MYSQL_HOST_ROOT:=$MYSQL_ROOT}