Lemmy separate domains

lemmy/separate-domains.yaml

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+x-logging: &a1
+  driver: json-file
+  options:
+    max-size: 50m
+    max-file: "4"
+services:
+  lemmy:
+    image: dessalines/lemmy:0.19.10
+    hostname: lemmy
+    restart: always
+    logging: *a1
+    environment:
+      - RUST_LOG="warn"
+      # - RUST_LOG=lemmy_federate=trace
+    volumes:
+      - /path/to/lemmy.hjson:/config/config.hjson:Z
+    depends_on:
+      - postgres
+      - pictrs
+    networks:
+      - proxy
+      - backend
+    labels:
+      - traefik.enable=true
+      - traefik.http.services.lemmy-test.loadbalancer.server.port=8536
+      - traefik.http.services.lemmy-test.loadbalancer.server.scheme=http
+      - traefik.http.routers.lemmy-test-https.entrypoints=websecure
+      - traefik.http.routers.lemmy-test-https.service=lemmy-test
+      - traefik.http.routers.lemmy-test-https.rule=Host(`short.domain`) &&
+        (PathPrefix(`/api`) || PathPrefix(`/pictrs`) || PathPrefix(`/feeds`) ||
+        PathPrefix(`/nodeinfo`) || PathPrefix(`/.well-known`) || Method(`POST`)
+        || HeaderRegexp(`Accept`, `^[Aa]pplication/.*`))
+      - traefik.http.routers.lemmy-test-https.tls=true
+      - traefik.http.routers.lemmy-test-https.tls.certresolver=myresolver
+  alexandrite:
+    image: ghcr.io/sheodox/alexandrite:latest
+    networks:
+      - proxy
+    labels:
+      - traefik.enable=true
+      - traefik.http.services.lemmy-test-ui.loadbalancer.server.port=3000
+      - traefik.http.services.lemmy-test-ui.loadbalancer.server.scheme=http
+      - traefik.http.routers.lemmy-test-ui-https.entrypoints=websecure
+      - traefik.http.routers.lemmy-test-ui-https.service=lemmy-test-ui
+      - traefik.http.routers.lemmy-test-ui-https.rule=Host(`lemmy.your.domain`)
+      - traefik.http.routers.lemmy-test-ui-https.tls=true
+      - traefik.http.routers.lemmy-test-ui-https.tls.certresolver=myresolver
+    environment:
+      # example config only allowing logins to example.com
+      # with no links to Lemmy docs, or an instance list
+      ALEXANDRITE_DEFAULT_INSTANCE: short.domain
+      ALEXANDRITE_WELCOME_LEMMY_HELP: false
+      ALEXANDRITE_WELCOME_INSTANCE_HELP: false
+      ALEXANDRITE_FORCE_INSTANCE: short.domain
+  pictrs:
+    image: asonix/pictrs:0.5.16
+    # this needs to match the pictrs url in lemmy.hjson
+    hostname: pictrs
+    # we can set options to pictrs like this, here we set max. image size and forced format for conversion
+    # entrypoint: /sbin/tini -- /usr/local/bin/pict-rs -p /mnt -m 4 --image-format webp
+    environment:
+      - PICTRS_OPENTELEMETRY_URL=http://otel:4137
+      - PICTRS__SERVER__API_KEY=${POSTGRES_PASSWORD}
+      - RUST_BACKTRACE=full
+      - PICTRS__MEDIA__VIDEO__VIDEO_CODEC=vp9
+      - PICTRS__MEDIA__ANIMATION__MAX_WIDTH=256
+      - PICTRS__MEDIA__ANIMATION__MAX_HEIGHT=256
+      - PICTRS__MEDIA__ANIMATION__MAX_FRAME_COUNT=400
+    user: 991:991
+    volumes:
+      - /path/to/pictrs:/mnt:Z
+    restart: always
+    networks:
+      - backend
+    logging: *a1
+  postgres:
+    image: pgautoupgrade/pgautoupgrade:17-alpine
+    hostname: postgres
+    environment:
+      - POSTGRES_USER=lemmy
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=lemmy
+    shm_size: 2g
+    volumes:
+      - /path/to/data:/var/lib/postgresql/data:Z
+      - /path/to/customPostgresql.conf:/etc/postgresql.conf
+    restart: always
+    networks:
+      - backend
+    logging: *a1
+networks:
+  proxy:
+    external: true
+  backend:
+    external: true