housekeeping

docker/Dockerfile

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+FROM node:16-alpine AS BUILD_IMAGE
+
+RUN apk add curl
+RUN curl -sf https://gobinaries.com/tj/node-prune | sh
+
+COPY package*.json ./
+RUN npm install
+
+RUN npm prune --production
+RUN /usr/local/bin/node-prune
+
+FROM node:16-alpine
+
+COPY --from=BUILD_IMAGE /node_modules ./node_modules
+COPY /app ./app
+COPY package*.json ./
+
+ENV NODE_ENV=production
+
+RUN node /app/db.js
+
+CMD ["npm", "start"]