🌱 Add Dockerfile

Dockerfile

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+FROM node:lts-fermium as development
+
+WORKDIR /nest-server
+
+COPY package*.json
+
+RUN yarn install --only=development
+
+COPY . .
+
+RUN yarn run build
+
+FROM node:lts-fermium as development
+
+ARG NODE_ENV=production
+ENV NODE_ENV=${NODE_ENV}
+
+WORKDIR /nest-server
+
+COPY package*.json ./
+
+RUN yarn install --only=production
+
+COPY . .
+
+COPY --from=development /nest-server/dist ./dist
+
+CMD ["node", "dist/main"]