Reducing Strapi Docker Image Size

Questions and Answers Strapi Backend
7

Hi, I want share my Dockerfile, run on stock Strapi v3.6.3.

  • Use docker Buildkit.
  • Build time about 2’30s on Macbook Pro 2015.
  • Image size about ~500MB.

Hope this can help you. ^^

FROM node:14-alpine as BUILD_IMAGE

WORKDIR /strapi

# Resolve node_modules for caching
COPY ./package.json ./
COPY ./yarn.lock ./
RUN yarn install --production=true --frozen-lockfile

# Copy all for build and release cache if package.json update
COPY . .
ENV NODE_ENV=production

RUN yarn build

#------------------------------------------------------------------------------------

# Create new namespace for final Docker Image
FROM node:14-alpine

# Only copy your source code without system file
COPY --from=BUILD_IMAGE /strapi /strapi

WORKDIR /strapi

EXPOSE 1337

ENV NODE_ENV=production
ENV STRAPI_LOG_LEVEL=debug

CMD ["yarn", "start"]
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