Merge pull request #6000 from libgit2/ethomson/ci

ci: tag new containers with the latest tag

.github/workflows/main.yml

@@ -70,7 +70,9 @@ jobs:
           BASE_ARG="--build-arg BASE=${{ matrix.container.base }}"
         fi
         docker build -t ${{ env.docker-registry-container-sha }} ${BASE_ARG} -f ${{ env.dockerfile }} .
+        docker tag ${{ env.docker-registry-container-sha }} ${{ env.docker-registry-container-latest }}
         docker push ${{ env.docker-registry-container-sha }}
+        docker push ${{ env.docker-registry-container-latest }}
       working-directory: ${{ env.docker-config-path }}
       if: github.event_name != 'pull_request' && env.docker-container-exists != 'true'
 

ci/docker/bionic

 ARG BASE=ubuntu:bionic
+
 FROM ${BASE} AS apt
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \

ci/docker/centos7

 ARG BASE=centos:7
+
 FROM ${BASE} AS yum
 RUN yum install -y \
 	which \

ci/docker/centos8

 ARG BASE=centos:8
+
 FROM ${BASE} AS yum
 RUN yum install -y \
 	which \

ci/docker/docurium

 ARG BASE=ubuntu:bionic
+
 FROM ${BASE}
 RUN apt update && apt install -y cmake pkg-config ruby ruby-dev llvm libclang-dev libssl-dev python-pygments
 RUN gem install docurium

ci/docker/focal

 ARG BASE=ubuntu:focal
+
 FROM ${BASE} AS apt
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \

ci/docker/xenial

 ARG BASE=ubuntu:xenial
+
 FROM ${BASE} AS apt
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \