feat: add entrypoint script to handle environment configuration, database readiness, and service startup

docker/app/entrypoint.sh

@@ -14,10 +14,26 @@ fi
 
 php artisan config:clear --no-ansi
 
-if ! grep -q '^APP_KEY=base64:' .env 2>/dev/null; then
+# Coolify menyuntik APP_KEY lewat environment variable, jadi key:generate
+# hanya perlu jalan kalau key tidak ada di env maupun .env
+if [ -z "${APP_KEY:-}" ] && ! grep -q '^APP_KEY=base64:' .env 2>/dev/null; then
     php artisan key:generate --force --no-ansi
 fi
 
+DB_WAIT_HOST="${DB_HOST:-mysql}"
+DB_WAIT_PORT="${DB_PORT:-3306}"
+echo "Waiting for database at ${DB_WAIT_HOST}:${DB_WAIT_PORT}..."
+tries=0
+until mysqladmin ping -h "$DB_WAIT_HOST" -P "$DB_WAIT_PORT" --silent 2>/dev/null; do
+    tries=$((tries + 1))
+    if [ "$tries" -ge 30 ]; then
+        echo "Database at ${DB_WAIT_HOST}:${DB_WAIT_PORT} is unreachable after ${tries} attempts."
+        echo "Check that DB_HOST points to a reachable MySQL host on the same Docker network."
+        exit 1
+    fi
+    sleep 2
+done
+
 php artisan migrate --force --no-ansi
 php artisan db:seed --force --no-ansi