Fixed docker file

Dockerfile

@@ -4,20 +4,31 @@ FROM node:20-alpine AS builder
 # Set working directory
 WORKDIR /app
 
-# Install dependencies
+# Install build tools for native dependencies
+RUN apk add --no-cache python3 make g++
+
+# Copy package.json and package-lock.json first for caching
 COPY package*.json ./
-RUN npm install
 
-# Copy the rest of the app's source code
+# Install dependencies with verbose logging
+RUN echo "Installing dependencies..." \
+    && npm install --verbose
+
+# Copy the rest of the app source code
 COPY . .
 
 # Build the NestJS app
-RUN npm run build:apigateway
+RUN echo "Building NestJS API Gateway..." \
+    && npm run build:apigateway --verbose
 
-RUN mkdir -p dist/libs/proto && cp -r libs/proto dist/libs
+# Ensure libs/proto folder is copied into dist for runtime
+RUN mkdir -p dist/libs/proto \
+    && cp -r libs/proto dist/libs/
 
-# Start the application
-CMD ["node", "dist/apps/apigateway/main.js"]
+# Verify files in dist
+RUN echo "Contents of dist folder:" \
+    && ls -lR dist
 
-# Expose app port
+# Expose port 8080 and start the application
 EXPOSE 8080
+CMD ["node", "dist/apps/apigateway/main.js"]