Dockerfile

# Stage 1
FROM node:18-alpine as yarn-install
WORKDIR /usr/src/app
# Install app dependencies
COPY package.json yarn.lock ./
RUN apk update && \
    apk upgrade && \
    apk add --no-cache --virtual build-dependencies bash git openssh python3 make g++ libc6-compat && \
    yarn --frozen-lockfile --no-cache && \
    apk del build-dependencies && \
    yarn cache clean

# Runtime container with minimal dependencies
FROM node:18-alpine

RUN apk update && \
    apk upgrade && \
    apk add ca-certificates libc6-compat && \
    ln -s /lib/libc.musl-x86_64.so.1 /lib/ld-linux-x86-64.so.2

WORKDIR /usr/src/app
COPY --from=yarn-install /usr/src/app/node_modules /usr/src/app/node_modules
# Bundle app source
COPY . .

RUN yarn build

EXPOSE 3000
CMD echo "use docker CLI to specify a startup command"