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Refactor Dockerfile to multi-stage version #77

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Refactor Dockerfile to multi-stage version #77

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32 changes: 17 additions & 15 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,22 +1,24 @@
# Use the official lightweight Node.js 18 image.
# https://hub.docker.com/_/node
FROM node:18-slim
FROM node:22.2.0-slim as BUILD_STAGE

# Create and change to the app directory.
WORKDIR /usr/src/app
WORKDIR /app

# Copy application dependency manifests to the container image.
# A wildcard is used to ensure both package.json AND package-lock.json are copied.
COPY package*.json ./
COPY package.json yarn.lock ./

# Install all dependencies.
RUN npm install
RUN yarn install --frozen-lockfile

# Copy local code to the container image.
COPY . .

# Build the app
RUN npm run build
RUN yarn build

# Run the web service on container startup.
CMD [ "npm", "start" ]
FROM node:alpine

WORKDIR /app

COPY --from=BUILD_STAGE /app/package.json ./package.json
COPY --from=BUILD_STAGE /app/node_modules ./node_modules
COPY --from=BUILD_STAGE /app/.next ./.next
COPY --from=BUILD_STAGE /app/public ./public

EXPOSE 3000

CMD ["yarn", "start"]