Adding workflow

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Skate
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "*" ]
+jobs:
+  images:
+    name: Images
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platforms: [ linux/386 linux/amd64 linux/arm/v6 linux/arm/v7 linux/arm64 ]
+        include:
+        - dockerfile: ./images/coredns/Dockerfile
+          image: ghcr.io/skateco/coredns
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ matrix.image }}
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          file: ${{ matrix.dockerfile }}
+          platforms: ${{ matrix.platforms }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

images/coredns/Dockerfile

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+ARG TARGETPLATFORM=linux/amd64
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
+FROM --platform=${TARGETPLATFORM:-linux/amd64} golang:1.21 as builder
+
+WORKDIR /app/
+ADD . .
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-w -s" -o coredns main.go
+
+FROM --platform=$TARGETPLATFORM gcr.io/distroless/static
+
+COPY --from=builder --chmod=755 /app/coredns /coredns
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+USER nonroot:nonroot
+
+
+EXPOSE 53 53/udp
+ENTRYPOINT ["/docker-entrypoint.sh"]

images/coredns/README.md

@@ -0,0 +1,3 @@
+# Coredns Image with Mdns Plugin
+
+Can load in corefile via CORE_FILE env var.

images/coredns/docker-entrypoint.sh

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+
+set -x -e
+set -- /coredns "$@"
+
+if [ -z "$CORE_FILE" ]; then
+    exec "$@"
+else
+    exec echo "$CORE_FILE" | "$@" -conf stdin
+fi

images/coredns/go.mod

@@ -0,0 +1,142 @@
+module github.com/skateco/skate/images/coredns
+
+go 1.21.1
+
+require (
+	github.com/coredns/coredns v1.11.1
+	github.com/openshift/coredns-mdns v0.0.0-20210625150643-8c0b6474833f
+)
+
+require (
+	cloud.google.com/go/compute v1.23.0 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible // indirect
+	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
+	github.com/Azure/go-autorest/autorest v0.11.29 // indirect
+	github.com/Azure/go-autorest/autorest/adal v0.9.22 // indirect
+	github.com/Azure/go-autorest/autorest/azure/auth v0.5.12 // indirect
+	github.com/Azure/go-autorest/autorest/azure/cli v0.4.5 // indirect
+	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
+	github.com/Azure/go-autorest/autorest/to v0.2.0 // indirect
+	github.com/Azure/go-autorest/logger v0.2.1 // indirect
+	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
+	github.com/DataDog/appsec-internal-go v1.0.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/obfuscate v0.45.0-rc.1 // indirect
+	github.com/DataDog/datadog-agent/pkg/remoteconfig/state v0.48.0-devel.0.20230725154044-2549ba9058df // indirect
+	github.com/DataDog/datadog-go/v5 v5.1.1 // indirect
+	github.com/DataDog/go-libddwaf v1.4.2 // indirect
+	github.com/DataDog/go-tuf v1.0.1-0.5.2 // indirect
+	github.com/DataDog/sketches-go v1.2.1 // indirect
+	github.com/Microsoft/go-winio v0.5.2 // indirect
+	github.com/antonmedv/expr v1.13.0 // indirect
+	github.com/apparentlymart/go-cidr v1.1.0 // indirect
+	github.com/aws/aws-sdk-go v1.44.322 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/celebdor/zeroconf v0.0.0-20190404095836-c328d57fca11 // indirect
+	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/coredns/caddy v1.1.1 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dimchansky/utfbom v1.1.1 // indirect
+	github.com/dnstap/golang-dnstap v0.4.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/ebitengine/purego v0.5.0-alpha // indirect
+	github.com/emicklei/go-restful/v3 v3.10.2 // indirect
+	github.com/farsightsec/golang-framestream v0.3.0 // indirect
+	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
+	github.com/go-logr/logr v1.2.4 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.1 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/pprof v0.0.0-20230509042627-b1315fad0c5a // indirect
+	github.com/google/s2a-go v0.1.4 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.2.5 // indirect
+	github.com/googleapis/gax-go/v2 v2.12.0 // indirect
+	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/infobloxopen/go-trees v0.0.0-20200715205103-96a057b8dfb9 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/miekg/dns v1.1.55 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/onsi/ginkgo/v2 v2.11.0 // indirect
+	github.com/openshift/mdns-publisher v0.0.0-20200219161514-0e41fab1ddec // indirect
+	github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492 // indirect
+	github.com/opentracing/opentracing-go v1.2.0 // indirect
+	github.com/openzipkin-contrib/zipkin-go-opentracing v0.5.0 // indirect
+	github.com/openzipkin/zipkin-go v0.4.2 // indirect
+	github.com/oschwald/geoip2-golang v1.9.0 // indirect
+	github.com/oschwald/maxminddb-golang v1.11.0 // indirect
+	github.com/outcaste-io/ristretto v0.2.1 // indirect
+	github.com/philhofer/fwd v1.1.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.16.0 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.44.0 // indirect
+	github.com/prometheus/procfs v0.10.1 // indirect
+	github.com/quic-go/qtls-go1-20 v0.3.1 // indirect
+	github.com/quic-go/quic-go v0.37.4 // indirect
+	github.com/secure-systems-lab/go-securesystemslib v0.7.0 // indirect
+	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/tinylib/msgp v1.1.8 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.9 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.9 // indirect
+	go.etcd.io/etcd/client/v3 v3.5.9 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.17.0 // indirect
+	go4.org/intern v0.0.0-20211027215823-ae77deb06f29 // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760 // indirect
+	golang.org/x/crypto v0.12.0 // indirect
+	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
+	golang.org/x/mod v0.10.0 // indirect
+	golang.org/x/net v0.14.0 // indirect
+	golang.org/x/oauth2 v0.11.0 // indirect
+	golang.org/x/sys v0.11.0 // indirect
+	golang.org/x/term v0.11.0 // indirect
+	golang.org/x/text v0.12.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.9.3 // indirect
+	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
+	google.golang.org/api v0.136.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20230803162519-f966b187b2e5 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230803162519-f966b187b2e5 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230807174057-1744710a1577 // indirect
+	google.golang.org/grpc v1.57.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/DataDog/dd-trace-go.v1 v1.54.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	inet.af/netaddr v0.0.0-20220811202034-502d2d690317 // indirect
+	k8s.io/api v0.27.4 // indirect
+	k8s.io/apimachinery v0.27.4 // indirect
+	k8s.io/client-go v0.27.4 // indirect
+	k8s.io/klog/v2 v2.100.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f // indirect
+	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
+)