homeserver/docker-compose/registry/docker-compose.yml.j2

version: '3.3'
services:
  oci-registry:
    restart: always
    container_name: oci-registry
    image: registry:2
    volumes:
      - /mnt/oci-registry:/var/lib/registry
      - ./htpasswd:/auth/htpasswd
    networks:
      - traefik
      - intern
    depends_on:
      - oci-registry-ui
      - oci-registry-redis
    environment:
      TZ: Europe/Berlin
      REGISTRY_AUTH: none
      REGISTRY_REDIS_ADDR: oci-registry-redis:6379
      REGISTRY_REDIS_PASSWORD: {{ lookup('keepass', 'oci-registry-redis-pw', 'password') }}
      REGISTRY_STORAGE_DELETE_ENABLED: true
    labels:
      traefik.http.routers.registry.rule: Host(`registry.mgrote.net`)
      traefik.enable: true
      traefik.http.routers.registry.tls: true
      traefik.http.routers.registry.tls.certresolver: resolver_letsencrypt
      traefik.http.routers.registry.entrypoints: entry_https
      traefik.http.services.registry.loadbalancer.server.port: 5000

      traefik.http.routers.registry.middlewares: error-pages-middleware,registry-ipwhitelist

      traefik.http.middlewares.registry-ipwhitelist.ipwhitelist.sourcerange: 192.168.2.0/24,10.25.25.0/24,192.168.48.0/24 # .48. ist Docker
      traefik.http.middlewares.registry-ipwhitelist.ipwhitelist.ipstrategy.depth: 0 # https://doc.traefik.io/traefik/middlewares/http/ipwhitelist/#ipstrategydepth

      com.centurylinklabs.watchtower.depends-on: oci-registry-redis
      com.centurylinklabs.watchtower.enable: true

    # registry aufräumen: docker exec -it oci-registry /bin/registry garbage-collect [--dry-run] --delete-untagged=true /etc/docker/registry/config.yml

    # testen mit:
    # docker pull ubuntu
    # docker image tag ubuntu registry.mgrote.net/myfirstimage
    # docker push registry.mgrote.net/myfirstimage
    # docker pull registry.mgrote.net/myfirstimage

  oci-registry-redis:
    image: redis:7
    container_name: oci-registry-redis
    networks:
      - intern
    restart: always
    environment:
      REDIS_PASSWORD: {{ lookup('keepass', 'oci-registry-redis-pw', 'password') }}
      MAXMEMORY POLICY: allkeys-lru
    labels:
      com.centurylinklabs.watchtower.enable: true

  oci-registry-ui:
    restart: always
    # url: registry.mgrote.net/ui/index.html
    image: joxit/docker-registry-ui:latest
    container_name: oci-registry-ui
    environment:
      DELETE_IMAGES: true
      SINGLE_REGISTRY: true
      NGINX_PROXY_PASS_URL: http://oci-registry:5000
      SHOW_CONTENT_DIGEST: true # https://github.com/Joxit/docker-registry-ui/issues/297
    networks:
      - traefik
      - intern
    labels:
      traefik.http.routers.registry-ui.rule: Host(`registry.mgrote.net`)&&PathPrefix(`/ui`) # mache unter /ui erreichbar, damit wird demPfad dieser Prefix hinzugefügt, die Anwendung "hört" dort abrer nicht
      traefik.http.routers.registry-ui.middlewares: registry-ui-strip-prefix,error-pages-middleware,nforwardauth # also entferne den Prefix danach wieder
      traefik.http.middlewares.registry-ui-strip-prefix.stripprefix.prefixes: /ui # hier ist die Middleware definiert
      traefik.enable: true
      traefik.http.routers.registry-ui.tls: true
      traefik.http.routers.registry-ui.tls.certresolver: resolver_letsencrypt
      traefik.http.routers.registry-ui.entrypoints: entry_https
      traefik.http.services.registry-ui.loadbalancer.server.port: 80

      com.centurylinklabs.watchtower.depends-on: oci-registry-redis,oci-registry
      com.centurylinklabs.watchtower.enable: true


######## Networks ########
networks:
  traefik:
    external: true
  intern: