This makes some minor improvments to the dev container:
- add `nano` as an alternative to `vi` to help beginning contributors, or people
that don't remember how to quit `vi` ;-)
- add `jq` as it's often handy to have available to debug JSON output.
- set a custom prompt to make it clearer that the user is in a container
- add a short MOTD that shows that the user is in a container, and a pointer
to 'make help' (we can add more help/instructions to this MOTD in future).
Before this patch:
make -f docker.Makefile dev
...
bash-5.1#
With this patch:
make -f docker.Makefile dev
...
You are now in a development container. Run 'make help' to learn about
available make targets.
root@docker-cli-dev$
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
49 lines
1.5 KiB
Docker
49 lines
1.5 KiB
Docker
# syntax=docker/dockerfile:1
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ARG GO_VERSION=1.18.0
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ARG BUILDX_VERSION=0.8.2
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FROM docker/buildx-bin:${BUILDX_VERSION} AS buildx
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FROM golang:${GO_VERSION}-alpine AS golang
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ENV CGO_ENABLED=0
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FROM golang AS gotestsum
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ARG GOTESTSUM_VERSION=v0.4.0
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RUN --mount=type=cache,target=/root/.cache/go-build \
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--mount=type=cache,target=/go/pkg/mod \
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--mount=type=tmpfs,target=/go/src/ \
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GO111MODULE=on go install gotest.tools/gotestsum@${GOTESTSUM_VERSION}
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FROM golang AS goversioninfo
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ARG GOVERSIONINFO_VERSION=v1.3.0
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RUN --mount=type=cache,target=/root/.cache/go-build \
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--mount=type=cache,target=/go/pkg/mod \
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--mount=type=tmpfs,target=/go/src/ \
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GO111MODULE=on go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@${GOVERSIONINFO_VERSION}
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FROM golang AS dev
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RUN apk add --no-cache \
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bash \
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build-base \
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ca-certificates \
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coreutils \
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curl \
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git \
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jq \
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nano
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RUN echo -e "\nYou are now in a development container. Run '\e\033[1mmake help\e\033[0m' to learn about\navailable make targets.\n" > /etc/motd \
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&& echo -e "cat /etc/motd\nPS1=\"\e[0;32m\u@docker-cli-dev\\$ \e[0m\"" >> /root/.bashrc
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CMD bash
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ENV DISABLE_WARN_OUTSIDE_CONTAINER=1
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ENV PATH=$PATH:/go/src/github.com/docker/cli/build
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COPY --from=buildx /buildx /usr/libexec/docker/cli-plugins/docker-buildx
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COPY --from=gotestsum /go/bin/* /go/bin/
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COPY --from=goversioninfo /go/bin/* /go/bin/
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WORKDIR /go/src/github.com/docker/cli
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ENV GO111MODULE=auto
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COPY . .
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