docker set up

backend/Dockerfile

@@ -0,0 +1,17 @@
+FROM node:22-alpine
+
+WORKDIR /app
+
+RUN apk add --no-cache openssl
+
+COPY package*.json ./
+
+RUN npm ci --only=production
+
+COPY . .
+
+RUN npx prisma generate
+
+EXPOSE 3000
+
+CMD ["sh", "-c", "npm run db:deploy && npm run start"]