Update docker-compose.yml

A few QoL changes for readability and Podman correctness

docker-compose.yml

@@ -3,45 +3,43 @@ version: "3"
 volumes:
   web-keys:
   db-data:
+  config.ini:
+    external: true
 
 networks:
-  external_writefreely:
-  internal_writefreely:
+  external_writefreely: # Used to expose WriteFreely to a reverse proxy for example
+  internal_writefreely: # Used for WriteFreely to communicate with the database
     internal: true
 
 services:
   writefreely-web:
     container_name: "writefreely-web"
-    image: "writeas/writefreely:latest"
-
+    image: "docker.io/writeas/writefreely:latest"
     volumes:
-      - "web-keys:/go/keys"
-      - "./config.ini:/go/config.ini"
-
+      - "web-keys:/go/keys:z"
+      - "./config.ini:/go/config.ini:Z"
     networks:
       - "internal_writefreely"
       - "external_writefreely"
-
     ports:
       - "8080:8080"
-
     depends_on:
       - "writefreely-db"
-
     restart: unless-stopped
 
   writefreely-db:
     container_name: "writefreely-db"
-    image: "mariadb:latest"
-
+    image: "docker.io/mariadb:latest"
     volumes:
-      - "db-data:/var/lib/mysql/data"
-
+      - "db-data:/var/lib/mysql/data:z"
     networks:
       - "internal_writefreely"
-
     environment:
-      - MYSQL_DATABASE=writefreely
-      - MYSQL_ROOT_PASSWORD=changeme
-
+      - MYSQL_RANDOM_ROOT_PASSWORD=true
+      - MYSQL_DATABASE=writefreelydb
+      - MYSQL_USER=writefreely
+      - MYSQL_PASSWORD=changeme
+      # MYSQL_HOST points to itself, which matches the container name
+      # "writefreely-db" for container DNS resolution
+      - MYSQL_HOST=localhost
     restart: unless-stopped