add pixelfed.de compose

pixelfed.de-compose.md

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+# compose stack for pixelfed.de
+
+My current compose file, as the one in my
+[blog post about my setup](https://blog.pixelfed.de/2020/05/29/pixelfed-in-docker/)
+has aged quite a bit.
+
+Please keep in mind that I use an external database cluster, and an external load
+balancer, so these services are not listed in my compose.
+
+```yaml
+---
+version: '3'
+
+networks:
+  back:
+
+services:
+  app:
+    image: "quay.io/zknt/pixelfed:dev"
+    restart: "unless-stopped"
+    networks:
+      back: {}
+    depends_on:
+      - redis
+    env_file:
+      - ./env
+    ports:
+      - "127.0.0.1:8098:80"
+    volumes:
+      - "./data/storage:/var/www/storage"
+      - "./env:/var/www/.env"
+      - "./robots.txt:/var/www/public/robots.txt:ro"
+      - "./docker-php-ext-opcache.ini:/usr/local/etc/php/conf.d/opcache.ini:ro"
+
+  websockets:
+    image: "quay.io/zknt/pixelfed:dev"
+    restart: "unless-stopped"
+    depends_on:
+      - redis
+      - app
+    env_file:
+      - ./env
+    volumes:
+      - "./data/storage:/var/www/storage"
+      - "./env:/var/www/.env"
+      - "./docker-php-ext-opcache.ini:/usr/local/etc/php/conf.d/opcache.ini:ro"
+    ports:
+      - "127.0.0.1:8099:6001"
+    networks:
+      back: {}
+    entrypoint: /websockets-entrypoint.sh
+
+  worker:
+    image: "quay.io/zknt/pixelfed:dev"
+    restart: "unless-stopped"
+    networks:
+      back: {}
+    depends_on:
+      - redis
+      - app
+    env_file:
+      - ./env
+    volumes:
+      - "./data/storage:/var/www/storage"
+      - "./env:/var/www/.env"
+    entrypoint: /worker-entrypoint.sh
+    healthcheck:
+      test: php artisan horizon:status | grep running
+      interval: 60s
+      timeout: 5s
+      retries: 1
+
+  schedule:
+    image: "quay.io/zknt/pixelfed:dev"
+    restart: "unless-stopped"
+    networks:
+      back: {}
+    depends_on:
+      - redis
+      - app
+    env_file:
+      - ./env
+    volumes:
+      - "./data/storage:/var/www/storage"
+      - "./env:/var/www/.env"
+    entrypoint: /schedule-entrypoint.sh
+
+  redis:
+    image: "docker.io/library/redis"
+    restart: "unless-stopped"
+    volumes:
+      - "./data/redis:/data"
+    networks:
+      - back
+```
+
+For an example env file please see
+[the example in pixelfeds github repo](https://github.com/pixelfed/pixelfed/blob/dev/.env.docker).
+
+`app` and `websockets` services reference a opcache config file, which looks
+like this for my box:
+
+```ini
+[opcache]
+opcache.enable=1
+opcache.revalidate_freq=0
+opcache.validate_timestamps=0
+opcache.max_accelerated_files=10000
+opcache.memory_consumption=192
+opcache.max_wasted_percentage=10
+opcache.interned_strings_buffer=16
+opcache.fast_shutdown=1
+```
+
+And last but not least, if you don't use my image, these are the main commands from
+my entrypoint scripts. See [my git](https://git.zknt.org/dockers/pixelfed) for the
+full scripts.
+
+* Worker container gets started with: `php artisan horizon`
+* Websockets container gets started with: `php artisan websockets:serve`
+* Scheduler container gets started with: `php artisan schedule:work`