feat: Adds some documenation comments

docker/docker-compose.yml

@@ -21,7 +21,8 @@ services:
   app:
     image: hhe-po:latest
     build:
-      context: .
+      context: ..
+      dockerfile: ./docker/Dockerfile
     environment:
       <<: *shared_environment
     volumes:
@@ -30,12 +31,20 @@ services:
       - '8080:8080'
     labels:
       - dev.orbstack.domains=po.local
+    healthcheck:
+      test: curl --fail -s http://0.0.0.0:8080/health || exit 1
+      interval: 1m30s
+      timeout: 10s
+      retries: 3
+    deploy:
+      replicas: 3
     # user: '0' # uncomment to run as root for testing purposes even though Dockerfile defines 'vapor' user.
     command: ["serve", "--env", "production", "--hostname", "0.0.0.0", "--port", "8080"]
   migrate:
     image: hhe-po:latest
     build:
-      context: .
+      context: ..
+      dockerfile: ./docker/Dockerfile
     environment:
       <<: *shared_environment
     command: ["migrate", "--yes"]
@@ -46,7 +55,8 @@ services:
   revert:
     image: hhe-po:latest
     build:
-      context: .
+      context: ..
+      dockerfile: ./docker/Dockerfile
     environment:
       <<: *shared_environment
     command: ["migrate", "--revert", "--yes"]