created basic .env file and one for local values

Co-authored-by: Copilot <copilot@github.com>

docker/start-prd.sh

@@ -12,15 +12,14 @@ fi
 cd "$(dirname "$0")"
 
 # Load production environment variables
-if [ -f .env.prd ]; then
-    echo "📝 Loading configuration from .env.prd"
-    export $(grep -v '^#' .env.prd | xargs)
-else
-    if [ -f .env ]; then
-        echo "📝 Loading configuration from .env"
-        export $(grep -v '^#' .env | xargs)
+if [ -f .env ]; then
+    echo "📝 Loading configuration from .env"
+    export $(grep -v '^#' .env | xargs)
+    if [ -f .env.local ]; then
+        echo "📝 Loading configuration from .env.local"
+        export $(grep -v '^#' .env.local | xargs)
     else
-        echo "⚠️  Warning: .env not found, using defaults"
+        echo "⚠️  Warning: .env.local not found, using defaults"
     fi
 fi
 
@@ -35,10 +34,16 @@ echo "🔧 Frontend will use API: ${API_URL:-https://bamort-api.trokan.de}"
 cp ../docker/frontend-entrypoint.sh ../frontend/docker-entrypoint.sh
 
 # Build only if images for this commit don't exist yet
+ENV_FILES="--env-file .env"
+if [ -f .env.local ]; then
+    ENV_FILES="$ENV_FILES --env-file .env.local"
+    echo "📝 Applying overrides from .env.local"
+fi
+
 if ! docker image inspect "bamort-backend:${GIT_TAG}" > /dev/null 2>&1 || \
    ! docker image inspect "bamort-frontend:${GIT_TAG}" > /dev/null 2>&1; then
     echo "🔨 Images not found for tag '${GIT_TAG}', building..."
-    docker-compose -f docker-compose.yml --env-file .env.prd -p bamort build
+    docker-compose -f docker-compose.yml $ENV_FILES -p bamort build
 else
     echo "✅ Images already exist for tag '${GIT_TAG}', skipping build."
 fi
@@ -47,7 +52,7 @@ fi
 docker-compose -f docker-compose.yml -p bamort down
 
 # Baue und starte die Container
-docker-compose -f docker-compose.yml --env-file .env.prd -p bamort up -d
+docker-compose -f docker-compose.yml $ENV_FILES -p bamort up -d
 
 echo "✅ Production environment started."
 echo "📱 Frontend: http://localhost:8181"