Add Docker support with Dockerfile, docker-compose, and entrypoint script; update .gitignore and add .dockerignore

docker/entrypoint.sh

@@ -0,0 +1,59 @@
+#!/bin/sh
+set -e
+
+APP_DIR=/var/www/html
+
+echo "──────────────────────────────────────────"
+echo " KOL Manager – Container Start"
+echo "──────────────────────────────────────────"
+
+cd "$APP_DIR"
+
+# ── 1. Bootstrap .env ───────────────────────
+if [ ! -f .env ]; then
+    if [ -f .env.docker ]; then
+        cp .env.docker .env
+        echo "[env] Copied .env.docker → .env"
+    else
+        echo "[env] WARNING: No .env or .env.docker found!"
+    fi
+fi
+
+# ── 2. Generate APP_KEY if empty ────────────
+if grep -qE '^APP_KEY=$' .env 2>/dev/null; then
+    echo "[key] Generating application key…"
+    php artisan key:generate --force --quiet
+fi
+
+# ── 3. Ensure SQLite database file exists ───
+if [ ! -f database/database.sqlite ]; then
+    echo "[db] Creating SQLite database file…"
+    touch database/database.sqlite
+fi
+
+# ── 4. Fix ownership / permissions ──────────
+chown -R www-data:www-data \
+    storage \
+    bootstrap/cache \
+    database
+chmod -R 775 \
+    storage \
+    bootstrap/cache \
+    database
+
+# ── 5. Run migrations ────────────────────────
+echo "[migrate] Running database migrations…"
+php artisan migrate --force --no-interaction
+
+# ── 6. Cache config / routes / views ────────
+echo "[optimize] Caching configuration…"
+php artisan config:cache  --quiet
+php artisan route:cache   --quiet
+php artisan view:cache    --quiet
+
+echo "──────────────────────────────────────────"
+echo " All checks passed. Starting services…"
+echo "──────────────────────────────────────────"
+
+# ── 7. Hand off to Supervisor ────────────────
+exec supervisord -c /etc/supervisord.conf