feat: update Dockerfile and docker-compose.yml to use WEB_PORT variable and streamline migration process

docker-compose.yml

@@ -19,12 +19,8 @@ services:
       AUTHENTIK_CLIENT_ID: ${AUTHENTIK_CLIENT_ID:-}
       AUTHENTIK_CLIENT_SECRET: ${AUTHENTIK_CLIENT_SECRET:-}
       AUTHENTIK_ORIGIN: ${AUTHENTIK_ORIGIN:-}
-    command:
-      - sh
-      - -c
-      - bun src/server/db/migrate.ts && bun server.js
     ports:
-      - "3000:3000"
+      - "${WEB_PORT:-3000}:3000"
     depends_on:
       db:
         condition: service_healthy
@@ -38,8 +34,6 @@ services:
       POSTGRES_DB: ${POSTGRES_DB:-postgres}
     volumes:
       - beenvoice_pg_data:/var/lib/postgresql/data
-    ports:
-      - "5432:5432"
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U \"$${POSTGRES_USER}\" -d \"$${POSTGRES_DB}\""]
       interval: 5s