feat: add Docker support with private registry

- Add Dockerfile with vim, Korean locale, visual mode disabled
- Add docker-compose.yml with build/push support for reg.firstgarden.co.kr
- Add docker-entrypoint.sh for multi-service support
- Add .dockerignore
- Update README.md with Docker deployment guide
- Consolidate SERVICE_KEY into DATA_API_SERVICE_KEY

docker-entrypoint.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# ###################################################################
+# docker-entrypoint.sh - FGTools 컨테이너 시작 스크립트
+# ###################################################################
+
+set -e
+
+# PYTHONPATH 설정
+export PYTHONPATH=/app:$PYTHONPATH
+
+# 서비스별 실행
+case "$1" in
+    dashboard)
+        echo "[FGTools] Starting Dashboard API on port ${FLASK_PORT:-5000}..."
+        exec gunicorn \
+            --bind 0.0.0.0:${FLASK_PORT:-5000} \
+            --workers ${GUNICORN_WORKERS:-2} \
+            --timeout 120 \
+            --access-logfile - \
+            --error-logfile - \
+            "apps.dashboard.app:create_app()"
+        ;;
+    weather)
+        echo "[FGTools] Starting Weather API on port ${FLASK_PORT:-5001}..."
+        exec gunicorn \
+            --bind 0.0.0.0:${FLASK_PORT:-5001} \
+            --workers ${GUNICORN_WORKERS:-2} \
+            --timeout 120 \
+            --access-logfile - \
+            --error-logfile - \
+            "apps.weather_api.app:create_app()"
+        ;;
+    webhook)
+        echo "[FGTools] Starting Webhook Server on port ${FLASK_PORT:-5002}..."
+        exec gunicorn \
+            --bind 0.0.0.0:${FLASK_PORT:-5002} \
+            --workers ${GUNICORN_WORKERS:-2} \
+            --timeout 120 \
+            --access-logfile - \
+            --error-logfile - \
+            "apps.webhook.app:create_app()"
+        ;;
+    shell)
+        echo "[FGTools] Starting interactive shell..."
+        exec /bin/bash
+        ;;
+    *)
+        echo "[FGTools] Unknown service: $1"
+        echo "Available services: dashboard, weather, webhook, shell"
+        exit 1
+        ;;
+esac