feat: make flat-stack-presejpacky standalone with Docker and Makefile

drills/flat-stack-presejpacky/Dockerfile

@@ -0,0 +1,37 @@
+# Stage 1: Build stage
+FROM node:24-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files and install dependencies
+COPY package*.json ./
+RUN npm ci
+
+# Copy the rest of the application files
+COPY . .
+
+# Build frontend and server.ts
+RUN npm run build
+
+# Stage 2: Production stage
+FROM node:24-alpine AS runner
+
+WORKDIR /app
+
+# Set production environment
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Copy package files and install only production dependencies
+COPY package*.json ./
+RUN npm ci --only=production
+
+# Copy built assets and compiled server from builder stage
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/server.js ./server.js
+
+# Expose port
+EXPOSE 3000
+
+# Run the server
+CMD ["node", "server.js"]