v0.1.20 - PostgreSQL 전환 및 Docker Compose 초안 추가

backend/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:22-alpine AS base
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+COPY src ./src
+COPY .env.example ./.env.example
+COPY drizzle.config.js ./drizzle.config.js
+
+EXPOSE 3001
+
+CMD ["node", "src/server.js"]