config: move default config var to Dockerfile

bitnami/symfony/Dockerfile

@@ -25,11 +25,15 @@ RUN bitnami-pkg install symfony-3.2.4-0 --checksum 5717ecd1f05745befa8ca0a746a5f
 
 COPY rootfs /
 
-EXPOSE 8000
+ENV MARIADB_USER="root" \
+    MARIADB_HOST="mariadb" \
+    MARIADB_PORT="3306" \
+    SYMFONY_PROJECT_NAME="myapp" \
+    TERM=xterm
 
 WORKDIR /app
 
-ENV TERM=xterm
+EXPOSE 8000
 
 ENTRYPOINT ["/app-entrypoint.sh"]
 

bitnami/symfony/docker-compose.yml

@@ -2,8 +2,6 @@ version: '2'
 services:
   myapp:
     image: bitnami/symfony:latest
-    environment:
-      - SYMFONY_PROJECT_NAME=
     ports:
       - '8000:8000'
     volumes:

bitnami/symfony/rootfs/app-entrypoint.sh

@@ -1,12 +1,6 @@
 #!/bin/bash
 set -e
 
-# Set default values
-export MARIADB_USER=${MARIADB_USER:-"root"}
-export MARIADB_HOST=${MARIADB_HOST:-"mariadb"}
-export MARIADB_PORT=${MARIADB_PORT:-"3306"}
-export SYMFONY_PROJECT_NAME=${SYMFONY_PROJECT_NAME:-"myapp"}
-
 PROJECT_DIRECTORY=/app/$SYMFONY_PROJECT_NAME
 DEPLOY="$@"