buildx/hack/dockerfiles/docs.Dockerfile

45 lines
1.1 KiB
Docker

# syntax=docker/dockerfile:1
ARG GO_VERSION=1.23
ARG FORMATS=md,yaml
FROM golang:${GO_VERSION}-alpine AS docsgen
WORKDIR /src
RUN --mount=target=. \
--mount=target=/root/.cache,type=cache \
go build -mod=vendor -o /out/docsgen ./docs/generate.go
FROM alpine AS gen
RUN apk add --no-cache rsync git
WORKDIR /src
COPY --from=docsgen /out/docsgen /usr/bin
ARG FORMATS
ARG BUILDX_EXPERIMENTAL
RUN --mount=target=/context \
--mount=target=.,type=tmpfs <<EOT
set -e
rsync -a /context/. .
docsgen --formats "$FORMATS" --source "docs/reference"
mkdir /out
cp -r docs/reference /out
rm -f /out/reference/*__INTERNAL_SERVE.yaml /out/reference/*__INTERNAL_SERVE.md
EOT
FROM scratch AS update
COPY --from=gen /out /out
FROM gen AS validate
RUN --mount=target=/context \
--mount=target=.,type=tmpfs <<EOT
set -e
rsync -a /context/. .
git add -A
rm -rf docs/reference/*
cp -rf /out/* ./docs/
if [ -n "$(git status --porcelain -- docs/reference)" ]; then
echo >&2 'ERROR: Docs result differs. Please update with "make docs"'
git status --porcelain -- docs/reference
exit 1
fi
EOT