feat: Add HedgeDoc service

hedgedoc/docker-compose.yml

@@ -0,0 +1,26 @@
+version: "3.8"
+
+volumes:
+  hedgedoc:
+    name: ${HEDGEDOC_VOLUME_NAME:-hedgedoc}
+
+services:
+  hedgedoc:
+    container_name: ${HEDGEDOC_CONTAINER_NAME:-hedgedoc}
+    image: ${HEDGEDOC_IMAGE:-linuxserver/hedgedoc:1.8.2-ls22}
+    restart: always
+    depends_on:
+      - postgres
+    volumes:
+      - hedgedoc:/config
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    environment:
+      # https://docs.hedgedoc.org/configuration/
+      CMD_DB_URL: postgres://${POSTGRES_USER:?err}:${POSTGRES_PASSWORD:?err}@postgres:${POSTGRES_PORT:-5432}/${POSTGRES_DB:?err}
+      CMD_DOMAIN: ${HEDGEDOC_DOMAIN:?err}
+      NODE_ENV: ${NODE_ENV:-development} # `production` or `development`
+      CMD_PROTOCOL_USESSL: ${CMD_PROTOCOL_USESSL:-false}
+      CMD_ALLOW_GRAVATAR: ${CMD_ALLOW_GRAVATAR:-true}
+      CMD_ALLOW_FREEURL: ${CMD_ALLOW_FREEURL:-false}
+      CMD_ALLOW_EMAIL_REGISTER: ${CMD_ALLOW_EMAIL_REGISTER:-true}