feat: no-nginx frontend, host nginx config, configurable ports

- Frontend: remove nginx, use serve for static files
- Frontend: add Projects/Milestones/Notifications pages
- Frontend: fix auth endpoint to match backend (/auth/token)
- docker-compose: configurable ports via env vars, reduce frontend resources
- Add nginx-host.conf.example for host-level reverse proxy
- Add .env.example
- Update README with deployment architecture

docker-compose.yml

@@ -1,4 +1,5 @@
 version: '3.8'
+
 services:
   mysql:
     image: mysql:8.0
@@ -10,16 +11,11 @@ services:
       MYSQL_USER: ${MYSQL_USER:-harborforge}
       MYSQL_PASSWORD: ${MYSQL_PASSWORD:-harborforge_pass}
     volumes:
-    - mysql_data:/var/lib/mysql
+      - mysql_data:/var/lib/mysql
     ports:
-    - 3306:3306
+      - "${MYSQL_PORT:-3306}:3306"
     healthcheck:
-      test:
-      - CMD
-      - mysqladmin
-      - ping
-      - -h
-      - localhost
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
       interval: 10s
       timeout: 5s
       retries: 5
@@ -28,6 +24,7 @@ services:
         limits:
           cpus: '0.5'
           memory: 512M
+
   backend:
     build:
       context: ./HarborForge.Backend
@@ -39,53 +36,46 @@ services:
       SECRET_KEY: ${SECRET_KEY:-change_me_in_production}
       LOG_LEVEL: ${LOG_LEVEL:-INFO}
     ports:
-    - 8000:8000
+      - "${BACKEND_PORT:-8000}:8000"
     depends_on:
       mysql:
         condition: service_healthy
-    volumes:
-    - ./HarborForge.Backend:/app
     deploy:
       resources:
         limits:
           cpus: '0.5'
           memory: 512M
     healthcheck:
-      test:
-      - CMD
-      - curl
-      - -f
-      - http://localhost:8000/health
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
       interval: 30s
       timeout: 10s
       retries: 3
       start_period: 10s
+
   frontend:
     build:
       context: ./HarborForge.Frontend
       dockerfile: Dockerfile
+      args:
+        VITE_API_BASE: ${VITE_API_BASE:-/api}
     container_name: harborforge-frontend
     restart: unless-stopped
     ports:
-    - 3000:3000
+      - "${FRONTEND_PORT:-3000}:3000"
     depends_on:
       backend:
         condition: service_healthy
     deploy:
       resources:
         limits:
-          cpus: '0.5'
-          memory: 256M
+          cpus: '0.25'
+          memory: 128M
     healthcheck:
-      test:
-      - CMD
-      - wget
-      - -q
-      - --spider
-      - http://localhost:3000
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost:3000"]
       interval: 30s
       timeout: 10s
       retries: 3
+
 volumes:
   mysql_data:
     driver: local