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images: Minimize container #388

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Feb 20, 2021
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Merged

images: Minimize container #388

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5874736
tasks: Work around podman 3.0.0 volume handling regression
martinpitt Feb 19, 2021
9e57cc1
images: Minimize container
martinpitt Feb 18, 2021
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24 changes: 18 additions & 6 deletions images/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,11 +1,23 @@
FROM fedora:latest
FROM fedora:latest AS builder
LABEL maintainer='[email protected]'

RUN dnf -y update && \
dnf -y install nginx openssh-server /usr/bin/python && \
dnf clean all && \
mkdir -p /home/user

# avoid unnecessary stuff in the container; systemd is a protected package, so apply some extra force
RUN source /etc/os-release && \
dnf install -y --releasever=$VERSION_ID --setopt=install_weak_deps=False --installroot=/build \
coreutils-single \
glibc-minimal-langpack \
nginx \
openssh-server \
tar \
/usr/bin/python3 && \
rpm --root=/build --verbose --erase --nodeps systemd && \
dnf remove -y --installroot=/build systemd-networkd device-mapper dbus-broker cryptsetup && \
rm -r /build/var/cache/dnf /build/var/lib/dnf /build/var/lib/rpm*

FROM scratch
COPY --from=builder /build /

RUN mkdir -p /home/user
# can't use ../sink/sink with docker build
ADD https://raw.githubusercontent.com/cockpit-project/cockpituous/master/sink/sink /home/user/sink

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2 changes: 2 additions & 0 deletions tasks/run-local.sh
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Expand Up @@ -91,8 +91,10 @@ EOF
fi

# start podman and run RabbitMQ in the background
# HACK: put data into a tmpfs instead of anonymous volume, see https://github.com/containers/podman/issues/9432
podman run -d --name cockpituous-rabbitmq --pod=new:cockpituous \
--publish $IMAGE_PORT:8080 \
--tmpfs /var/lib/rabbitmq \
-v "$RABBITMQ_CONFIG":/etc/rabbitmq:ro \
-v "$SECRETS"/webhook:/run/secrets/webhook:ro \
docker.io/rabbitmq:3-management
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