chore: initialize project structure, Docker setup, docker-compose on port 52867

backend/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:20-alpine AS base
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --only=production
+
+FROM base AS dev
+RUN npm ci
+COPY . .
+CMD ["npm", "run", "dev"]
+
+FROM base AS prod
+COPY . .
+RUN npx prisma generate
+CMD ["npm", "start"]