workflows: build and push ignition-validate container from GH Actions

.github/workflows/container.yml

@@ -3,18 +3,29 @@ name: Container
 on:
  push:
  branches: [main]
+ tags: ["v*"]
  pull_request:
  branches: [main]
 
 permissions:
  contents: read
 
+# avoid races when pushing containers built from main
+concurrency:
+ group: ${{ github.workflow }}-${{ github.ref }}
+
 jobs:
  build-container:
  name: Build container image
  runs-on: ubuntu-latest
  steps:
  - name: Check out repository
  uses: actions/checkout@v2
- - name: Build container image
- run: podman build -f Dockerfile.validate .
+ - name: Build and push container
+ uses: coreos/actions-lib/build-container@main
+ with:
+ credentials: ${{ secrets.QUAY_AUTH }}
+ file: Dockerfile.validate
+ push: quay.io/coreos/ignition-validate
+ # Speed up PR CI by skipping arm64
+ pr-arches: amd64

Dockerfile.validate

@@ -1,5 +1,5 @@
 FROM registry.fedoraproject.org/fedora:35 AS builder
-RUN dnf install -y golang git
+RUN dnf install -y golang git-core
 RUN mkdir /ignition-validate
 COPY . /ignition-validate
 WORKDIR /ignition-validate

build_for_container

@@ -27,6 +27,5 @@ export GO11MODULE=on
 export CGO_ENABLED=0
 export GOFLAGS='-mod=vendor'
 export GOOS=linux
-export GOARCH=amd64
 
 go build -ldflags "${GLDFLAGS}" -o ${BIN_PATH}/ignition-validate ${REPO_PATH}/validate