fix(docker): add .env file and GATEWAY_URL for build

- Copy .env file before npm install

- Set GATEWAY_URL env var

- Use npm ci instead of npm install

Dockerfile

@@ -1,28 +1,33 @@
-# Multi-stage build - using slim for better compatibility
+# Multi-stage build with memory optimization
 FROM node:20-slim AS builder
 WORKDIR /app
 
 # Skip browser downloads
 ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
 ENV CYPRESS_INSTALL_BINARY=0
+ENV NODE_ENV=production
+
+# Set API URL for build
+ENV GATEWAY_URL=http://localhost:9100
 
 # Install build dependencies
 RUN apt-get update && apt-get install -y python3 make g++ git && rm -rf /var/lib/apt/lists/*
 
 # Copy package files
 COPY package*.json ./
+COPY .env ./
 
 # Install dependencies
-RUN npm install --legacy-peer-deps --prefer-offline --no-audit
+RUN npm ci --legacy-peer-deps --prefer-offline --no-audit
 
 # Copy source
 COPY . .
 
-# Build with memory optimization (3GB for slim image)
-ENV NODE_OPTIONS="--max-old-space-size=3072"
+# Build with memory optimization
+ENV NODE_OPTIONS="--max-old-space-size=4096"
 RUN npm run build
 
-# Runtime stage - use alpine for smaller size
+# Runtime stage
 FROM node:20-alpine
 WORKDIR /app