Use env interpolation in config (#826)

docker/Dockerfile

@@ -11,6 +11,21 @@ RUN wget http://github.com/begriffs/postgrest/releases/download/v${POSTGREST_VER
     mv postgrest /usr/local/bin/postgrest && \
     rm postgrest-${POSTGREST_VERSION}-ubuntu.tar.xz
 
+COPY postgrest.conf /etc/postgrest.conf
+
+
+ENV PGRST_DB_URI= \
+    PGRST_DB_SCHEMA=public \
+    PGRST_DB_ANON_ROLE= \
+    PGRST_DB_POOL=100 \
+    PGRST_SERVER_HOST=*4 \
+    PGRST_SERVER_PORT=3000 \
+    PGRST_SERVER_PROXY_URL= \
+    PGRST_JWT_SECRET= \
+    PGRST_SECRET_IS_BASE64=false \
+    PGRST_MAX_ROWS= \
+    PGRST_PRE_REQUEST=
+
 # PostgREST reads /etc/postgrest.conf so map the configuration
 # file in when you run this container
 CMD exec postgrest /etc/postgrest.conf

docker/docker-compose.yml

@@ -1,11 +1,13 @@
 stgrest:
-  image: begriffs/postgrest:latest
+  image: pg_local
   ports:
     - "3000:3000"
-  volumes:
-    - ./config.conf:/etc/postgrest.conf
   links:
     - postgres:postgres
+  environment:
+    PGRST_DB_URI: postgres://app_user:password@postgres:5432/app_db
+    PGRST_DB_SCHEMA: public
+    PGRST_DB_ANON_ROLE: app_user
 
 postgres:
   image: postgres

docker/postgrest.conf

@@ -0,0 +1,14 @@
+db-uri = "$(PGRST_DB_URI)"
+db-schema = "$(PGRST_DB_SCHEMA)"
+db-anon-role = "$(PGRST_DB_ANON_ROLE)"
+db-pool = "$(PGRST_DB_POOL)"
+
+server-host = "$(PGRST_SERVER_HOST)"
+server-port = "$(PGRST_SERVER_PORT)"
+
+server-proxy-url = "$(PGRST_SERVER_PROXY_URL)"
+jwt-secret = "$(PGRST_JWT_SECRET)"
+secret-is-base64 = "$(PGRST_SECRET_IS_BASE64)"
+
+max-rows = "$(PGRST_MAX_ROWS)"
+pre-request = "$(PGRST_PRE_REQUEST)"