Update Dockerfile

Dockerfile

@@ -2,15 +2,16 @@
 # Build stage
 # =============================================================================
 
-FROM node:18-alpine3.18 AS builder
+FROM --platform=linux/amd64 node:18-alpine3.18 AS builder
 LABEL authors="asrient"
 
 WORKDIR /build
 
-# Install app dependencies
+# Copy source code
 COPY web ./web
 COPY apps ./apps
 
+# Install dependencies and build
 RUN cd web && npm ci && \
     npm run build
 
@@ -20,13 +21,15 @@ RUN cd apps && npm ci && \
 # ============================================================================= \
 # Production stage
 # =============================================================================
-FROM node:18-alpine3.18
+FROM --platform=linux/amd64 node:18-alpine3.18
 LABEL authors="asrient"
 
 WORKDIR /app
 
 ENV NODE_ENV production
+ENV PORT 5000
 
+# Copy source code
 COPY --from=builder /build/apps/bin/node ./bin/node
 COPY --from=builder /build/web/out ./bin/web
 COPY apps/package*.json ./
@@ -35,4 +38,5 @@ RUN npm ci --production
 
 EXPOSE 5000
 
+# Start the server
 CMD ["node", "bin/node/index.js"]