Fix Laravel APP_KEY handling in Docker

Export the generated Laravel app key before starting Apache so deployments without an explicit APP_KEY do not fail with a 500 MissingAppKeyException.

docker-compose.coolify.yml

@@ -8,7 +8,7 @@ services:
       APP_URL: ${APP_URL:-http://localhost}
       APP_ENV: ${APP_ENV:-production}
       APP_DEBUG: ${APP_DEBUG:-false}
-      APP_KEY: ${APP_KEY:-}
+      APP_KEY: ${APP_KEY}
       DB_HOST: db
       DB_PORT: 3306
       DB_USER: ${DB_USER:-spota_user}

docker-compose.yml

@@ -11,7 +11,7 @@ services:
       APP_URL: ${APP_URL:-http://localhost}
       APP_ENV: ${APP_ENV:-production}
       APP_DEBUG: ${APP_DEBUG:-false}
-      APP_KEY: ${APP_KEY:-}
+      APP_KEY: ${APP_KEY}
       DB_HOST: ${DB_HOST:-db}
       DB_PORT: ${DB_PORT:-3306}
       DB_USER: ${DB_USER:-spota_user}

docker/laravel-entrypoint.sh

@@ -46,6 +46,11 @@ if [ -z "$(grep '^APP_KEY=base64:' .env || true)" ]; then
     php artisan key:generate --force
 fi
 
+APP_KEY_VALUE="$(grep '^APP_KEY=' .env | tail -n 1 | cut -d '=' -f 2-)"
+if [ -n "$APP_KEY_VALUE" ]; then
+    export APP_KEY="$APP_KEY_VALUE"
+fi
+
 php artisan optimize:clear || true
 php artisan config:cache || true
 php artisan route:cache || true