ghaction-github-pages/Dockerfile.dev

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#syntax=docker/dockerfile:1.2
FROM node:12 AS deps
WORKDIR /src
COPY package.json yarn.lock ./
RUN --mount=type=cache,target=/src/node_modules \
yarn install
FROM scratch AS update-yarn
COPY --from=deps /src/yarn.lock /
FROM deps AS validate-yarn
COPY .git .git
RUN status=$(git status --porcelain -- yarn.lock); if [ -n "$status" ]; then echo $status; exit 1; fi
FROM deps AS base
COPY . .
FROM base AS build
RUN --mount=type=cache,target=/src/node_modules \
yarn build
FROM base AS run-format
RUN --mount=type=cache,target=/src/node_modules \
yarn run format
FROM scratch AS format
COPY --from=run-format /src/src/*.ts /src/
FROM base AS validate-format
RUN --mount=type=cache,target=/src/node_modules \
yarn run format-check
FROM scratch AS dist
COPY --from=build /src/dist/ /dist/
FROM build AS validate-build
RUN status=$(git status --porcelain -- dist); if [ -n "$status" ]; then echo $status; exit 1; fi
FROM base AS dev
ENTRYPOINT ["bash"]