docker-compose/docs/Dockerfile
Sebastiaan van Stijn 92f32b5c79
ci: use latest stable dockerfile syntax & rename docs Dockerfile (#9711)
* update dockerfiles to use latest stable syntax

Some Dockerfiles were pinned to a minor release, which meant they
wouldn't be updated to get the latest stable syntax (and fixes),
and one Dockerfile used the "labs" variant to use the HEREDOC syntax,
which has now been promoted to the stable syntax.

* docs: rename Dockerfile

There's no other Dockerfiles in the same path, so the "docs"
prefix was redundant.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2022-08-03 16:36:13 -04:00

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1.6 KiB
Docker

# syntax=docker/dockerfile:1
# Copyright 2020 Docker Compose CLI authors
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
ARG GO_VERSION=1.18.5
ARG FORMATS=md,yaml
FROM --platform=${BUILDPLATFORM} golang:${GO_VERSION}-alpine AS docsgen
WORKDIR /src
RUN --mount=target=. \
--mount=target=/root/.cache,type=cache \
go build -o /out/docsgen ./docs/yaml/main/generate.go
FROM --platform=${BUILDPLATFORM} alpine AS gen
RUN apk add --no-cache rsync git
WORKDIR /src
COPY --from=docsgen /out/docsgen /usr/bin
ARG FORMATS
RUN --mount=target=/context \
--mount=target=.,type=tmpfs <<EOT
set -e
rsync -a /context/. .
docsgen --formats "$FORMATS" --source "docs/reference"
mkdir /out
cp -r docs/reference /out
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