Postgres db macro

ansible/plays/services/hedgedoc/docker-compose.yaml

@@ -1,23 +1,7 @@
+{% import 'macro/postgres.j2' as pg with context %}
 ---
 version: '3'
 services:
-  database:
-    image: postgres:13-alpine
-    environment:
-      - POSTGRES_USER={{ hedgedoc.db.user }}
-      - POSTGRES_PASSWORD={{ hedgedoc.db.password }}
-      - POSTGRES_DB={{ hedgedoc.db.name }}
-    volumes:
-      - database:/var/lib/postgresql/data
-    restart: always
-    networks:
-      - backend
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready", "-U", "{{ hedgedoc.db.user }}"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-
   app:
     # Make sure to use the latest release from https://hedgedoc.org/latest-release
     image: quay.io/hedgedoc/hedgedoc:1.9.3
@@ -63,19 +47,22 @@ services:
       - "prometheus-scrape.enabled=true"
       - "prometheus-scrape.port=3000"
     depends_on:
-      database:
+      db:
         condition: service_healthy
     networks:
       - backend
       - metrics
       - default # oauth
+{{ pg.postgres("db", hedgedoc.db.user, hedgedoc.db.password, hedgedoc.db.name, ["backend"], version="13-alpine") }}
 
 volumes:
-  database:
+  db_data:
 
 networks:
   backend:
     internal: true
   metrics:
     external: true
+  postgres:
+    internal: true
 ...