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Run as a container (#8) including Docker-in-Docker. (#84)

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This adds a very simple Dockerfile and run script for running `act_runner` as a container.

It also allows setting `Privileged` and `ContainerOptions` flags via the new config file when spawning task containers.  The combination makes it possible to use Docker-in-Docker (which requires `privileged` mode) as well as pass any other options child Docker containers may require.

For example, if Gitea is running in Docker on the same machine, for the `checkout` action to behave as expected from a task container launched by `act_runner`, it might be necessary to map the hostname via something like:

```
container:
  network_mode: bridge
  privileged: true
  options: --add-host=my.gitea.hostname:host-gateway
```

> NOTE: Description updated to reflect latest code.
> NOTE: Description updated to reflect latest code (again).

Reviewed-on: https://gitea.com/gitea/act_runner/pulls/84
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-by: Jason Song <i@wolfogre.com>
Co-authored-by: Thomas E Lackey <telackey@bozemanpass.com>
Co-committed-by: Thomas E Lackey <telackey@bozemanpass.com>
This commit is contained in:
Thomas E Lackey 2023-04-11 10:58:12 +08:00 • committed by Jason Song
parent b79c3aa1a3
commit 5a8134410d
6 changed files with 74 additions and 1 deletions
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17
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FROM golang:alpine as builder
RUN apk add --update-cache make git
COPY . /opt/src/act_runner
WORKDIR /opt/src/act_runner
RUN make clean && make build
FROM alpine as runner
RUN apk add --update-cache \
git bash \
&& rm -rf /var/cache/apk/*
COPY --from=builder /opt/src/act_runner/act_runner /usr/local/bin/act_runner
COPY run.sh /opt/act/run.sh
ENTRYPOINT ["/opt/act/run.sh"]