feat: Containerize services with Docker Compose (PostgreSQL, Strapi CMS, Express Backend, Nginx Frontend) on custom ports >9000

Dockerfile.backend

@@ -0,0 +1,22 @@
+FROM node:22-alpine
+
+WORKDIR /app
+
+# Copy root package files and install dependencies
+COPY package*.json ./
+RUN npm install --omit=dev
+
+# Copy server code and assets
+COPY server/ ./server/
+COPY scripts/ ./scripts/
+COPY public/ ./public/
+
+# Create uploads and data directories
+RUN mkdir -p server/uploads server/data
+
+ENV PORT=3005
+ENV NODE_ENV=production
+
+EXPOSE 3005
+
+CMD ["node", "server/index.js"]