zammad(host): change to .env configuration

Align the compose.yaml to upstreams v11.2.0 version.
This is a first step to hopefully then just use the upstreams version
directly and not vendor it.

resources/chaosknoten/zammad/docker_compose/compose.yaml

@@ -0,0 +1,145 @@
+---
+version: '3.8'
+
+x-shared:
+  zammad-service: &zammad-service
+    environment: &zammad-environment
+      MEMCACHE_SERVERS: ${MEMCACHE_SERVERS}
+      POSTGRESQL_DB: ${POSTGRES_DB}
+      POSTGRESQL_HOST: ${POSTGRES_HOST}
+      POSTGRESQL_USER: ${POSTGRES_USER}
+      POSTGRESQL_PASS: ${POSTGRES_PASS}
+      POSTGRESQL_PORT: ${POSTGRES_PORT}
+      REDIS_URL: ${REDIS_URL}
+      # Allow passing in these variables via .env:
+      AUTOWIZARD_JSON:
+      AUTOWIZARD_RELATIVE_PATH:
+      ELASTICSEARCH_ENABLED:
+      ELASTICSEARCH_HOST:
+      ELASTICSEARCH_PORT:
+      ELASTICSEARCH_SCHEMA:
+      ELASTICSEARCH_NAMESPACE:
+      ELASTICSEARCH_REINDEX:
+      ELASTICSEARCH_SSL_VERIFY:
+      NGINX_PORT:
+      NGINX_SERVER_NAME:
+      NGINX_SERVER_SCHEME:
+      POSTGRESQL_DB_CREATE:
+      POSTGRESQL_OPTIONS:
+      RAILS_TRUSTED_PROXIES:
+      ZAMMAD_WEB_CONCURRENCY:
+      ZAMMAD_SESSION_JOBS:
+      ZAMMAD_PROCESS_SCHEDULED:
+      ZAMMAD_PROCESS_DELAYED_JOBS_WORKERS:
+    image: ${IMAGE_REPO}:${VERSION}
+    restart: ${RESTART}
+    volumes:
+      - zammad-storage:/opt/zammad/storage
+      - zammad-var:/opt/zammad/var
+    depends_on:
+      - zammad-memcached
+      - zammad-postgresql
+      - zammad-redis
+
+services:
+
+  zammad-backup:
+    command: ["zammad-backup"]
+    depends_on:
+      - zammad-railsserver
+      - zammad-postgresql
+    entrypoint: /usr/local/bin/backup.sh
+    environment:
+      <<: *zammad-environment
+      BACKUP_TIME: "03:00"
+      HOLD_DAYS: "10"
+      TZ: Europe/Berlin
+    image: postgres:${POSTGRES_VERSION}
+    restart: ${RESTART}
+    volumes:
+      - zammad-backup:/var/tmp/zammad
+      - zammad-storage:/opt/zammad/storage:ro
+      - zammad-var:/opt/zammad/var:ro
+      - ./scripts/backup.sh:/usr/local/bin/backup.sh:ro
+
+  zammad-elasticsearch:
+    image: elasticsearch:${ELASTICSEARCH_VERSION}
+    restart: ${RESTART}
+    volumes:
+      - elasticsearch-data:/usr/share/elasticsearch/data
+    environment:
+      discovery.type: single-node
+      xpack.security.enabled: 'false'
+      ES_JAVA_OPTS: ${ELASTICSEARCH_JAVA_OPTS:--Xms1g -Xmx1g}
+
+  zammad-init:
+    <<: *zammad-service
+    command: ["zammad-init"]
+    depends_on:
+      - zammad-postgresql
+    restart: on-failure
+    user: 0:0
+    volumes:
+      - zammad-storage:/opt/zammad/storage
+      - zammad-var:/opt/zammad/var
+
+  zammad-memcached:
+    command: memcached -m 256M
+    image: memcached:${MEMCACHE_VERSION}
+    restart: ${RESTART}
+
+  zammad-nginx:
+    <<: *zammad-service
+    command: ["zammad-nginx"]
+    expose:
+      - "8080"
+    ports:
+      - "8080:8080"
+    depends_on:
+      - zammad-railsserver
+    volumes:
+      - zammad-var:/opt/zammad/var:ro # required for the zammad-ready check file
+
+  zammad-postgresql:
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASS}
+    image: postgres:${POSTGRES_VERSION}
+    restart: ${RESTART}
+    volumes:
+      - postgresql-data:/var/lib/postgresql/data
+
+  zammad-railsserver:
+    <<: *zammad-service
+    command: ["zammad-railsserver"]
+
+  zammad-redis:
+    image: redis:${REDIS_VERSION}
+    restart: ${RESTART}
+    volumes:
+      - redis-data:/data
+
+  zammad-scheduler:
+    <<: *zammad-service
+    command: ["zammad-scheduler"]
+    volumes:
+      - /ansible_docker_compose/zammad-scheduler-database.yml:/opt/zammad/config/database.yml # workaround for connection pool issue
+
+  zammad-websocket:
+    <<: *zammad-service
+    command: ["zammad-websocket"]
+
+volumes:
+  elasticsearch-data:
+    driver: local
+  postgresql-data:
+    driver: local
+  redis-data:
+    driver: local
+  zammad-backup:
+    driver: local
+  zammad-storage:
+    driver: local
+  zammad-var:
+    driver: local