feat: arm64 support in docker images

Resolves # 143

Signed-off-by: Ievgenii Shepeliuk <eshepelyuk@gmail.com>

.github/workflows/build.yaml

@@ -13,6 +13,8 @@ on:
   pull_request:
     branches: 
       - "master"
+      - "feat/*"
+      - "fix/*"
 
 jobs:
   build_job:

justfile

@@ -11,7 +11,7 @@ defaul:
 build-release:
     #!/usr/bin/env bash
     set -euxo pipefail
-    skaffold build -b kube-mgmt -t {{VERSION}} --file-output=skaffold.json
+    skaffold build -b kube-mgmt -t {{VERSION}} --file-output=tags.json
     helm package charts/opa --version {{VERSION}} --app-version {{VERSION}}
 
     LATEST="$(jq -r .builds[0].imageName skaffold.json):latest"
@@ -36,7 +36,7 @@ k3d: && _skaffold-ctx
     k3d cluster create --config ./test/e2e/k3d.yaml
 
 build: 
-    skaffold build --file-output=tags.json
+    skaffold build --file-output=tags.json --platform=linux/amd64
 
 # install into local k8s
 up: _skaffold-ctx down
@@ -59,5 +59,5 @@ test-e2e-all: build
     #!/usr/bin/env bash
     set -euxo pipefail
     for E in $(find test/e2e/ -mindepth 1 -maxdepth 1 -type d -printf '%f\n'); do
-        just E2E_TEST=${E} test-e2e
+      just E2E_TEST=${E} test-e2e
     done

skaffold.yaml

@@ -5,11 +5,16 @@ metadata:
 build:
   artifacts:
     - image: openpolicyagent/kube-mgmt
+      ko:
+        fromImage: alpine:3.12.3
+        main: ./cmd/kube-mgmt/.../
+        ldflags:
+          - "-X github.com/open-policy-agent/kube-mgmt/pkg/version.Version={{.VERSION}}"
+          - "-X github.com/open-policy-agent/kube-mgmt/pkg/version.Git={{.COMMIT}}" 
+      platforms:
+        - "linux/amd64"
+        - "linux/arm64"
       context: .
-      docker:
-        buildArgs:
-          VERSION: "{{.VERSION}}"
-          COMMIT: "{{.COMMIT}}"
   local:
     push: true
     useBuildkit: true