Remove build container image use from CI workflows

.github/actions/setup-build/action.yaml

@@ -21,5 +21,4 @@ runs:
           go-
     - name: Setup deps
       shell: bash
-      run: |
-        make install-build-deps
+      run: make install-build-deps

.github/workflows/ecr-publish-build.yaml

@@ -34,5 +34,4 @@ jobs:
           registry-type: public
 
       - name: Build and push image
-        run: |
-          PATH=$PATH:$(go env GOPATH)/bin make -f Makefile.docker push-build-image
+        run: make -f Makefile.docker push-build-image

.github/workflows/release-candidate.yaml

@@ -7,22 +7,14 @@ jobs:
   rc:
     name: Push release candidate tag
     runs-on: ubuntu-latest
-    container: public.ecr.aws/eksctl/eksctl-build:f1de3fc49c019576763ca2e0e84e360e9dfb787c
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
         with:
           token: ${{ secrets.EKSCTLBOT_TOKEN }}
           fetch-depth: 0
-      - name: Cache go-build and mod
-        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2.0
-        with:
-          path: |
-            ~/.cache/go-build/
-            ~/go/pkg/mod/
-          key: go-${{ hashFiles('go.sum') }}
-          restore-keys: |
-            go-
+      - name: Setup build environment
+        uses: ./.github/actions/setup-build
       - name: Setup identity as eksctl-bot
         uses: ./.github/actions/setup-identity
         with:

.github/workflows/release.yaml

@@ -7,22 +7,14 @@ jobs:
   rc:
     name: Push release tag
     runs-on: ubuntu-latest
-    container: public.ecr.aws/eksctl/eksctl-build:f1de3fc49c019576763ca2e0e84e360e9dfb787c
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
         with:
           token: ${{ secrets.EKSCTLBOT_TOKEN }}
           fetch-depth: 0
-      - name: Cache go-build and mod
-        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2.0
-        with:
-          path: |
-            ~/.cache/go-build/
-            ~/go/pkg/mod/
-          key: go-${{ hashFiles('go.sum') }}
-          restore-keys: |
-            go-
+      - name: Setup build environment
+        uses: ./.github/actions/setup-build
       - name: Setup identity as eksctl-bot
         uses: ./.github/actions/setup-identity
         with:

.github/workflows/test-and-build.yaml

@@ -17,8 +17,8 @@ jobs:
         uses: ./.github/actions/setup-build
       - name: Unit test
         run: |
-          PATH=$PATH:$(go env GOPATH)/bin make build
-          PATH=$PATH:$(go env GOPATH)/bin make unit-test-no-generate
+          make build
+          make unit-test-no-generate
   lint:
     name: Lint
     runs-on: ubuntu-latest
@@ -30,8 +30,7 @@ jobs:
       - name: Setup build environment
         uses: ./.github/actions/setup-build
       - name: Lint
-        run: |
-          PATH=$PATH:$(go env GOPATH)/bin make lint
+        run: make lint
   image:
     name: Build and check image
     runs-on: ubuntu-latest
@@ -43,5 +42,4 @@ jobs:
       - name: Setup build environment
         uses: ./.github/actions/setup-build
       - name: build
-        run: |
-          PATH=$PATH:$(go env GOPATH)/bin make -f Makefile.docker check-build-image-manifest-up-to-date
+        run: make -f Makefile.docker check-build-image-manifest-up-to-date

Dockerfile

@@ -1,18 +1,19 @@
-ARG BUILD_IMAGE=public.ecr.aws/eksctl/eksctl-build:f1de3fc49c019576763ca2e0e84e360e9dfb787c
-FROM $BUILD_IMAGE as build
+# syntax=docker/dockerfile:1
+FROM public.ecr.aws/docker/library/golang:1.24.0 AS builder
 
 WORKDIR /src
+COPY . .
 
-COPY . /src
+RUN --mount=type=cache,target=/go/pkg/mod <<EOT
+    go mod download
+EOT
 
-RUN make test
-RUN make build \
-    && cp ./eksctl /out/usr/local/bin/eksctl
-RUN make build-integration-test \
-    && mkdir -p /out/usr/local/share/eksctl \
-    && cp -r integration/data/*.yaml integration/scripts /out/usr/local/share/eksctl \
-    && cp ./eksctl-integration-test /out/usr/local/bin/eksctl-integration-test
+RUN <<EOT
+    make install-build-deps
+    make build
+    chown 65532 eksctl
+EOT
 
-FROM scratch
-COPY --from=build /out /
-ENTRYPOINT ["eksctl"]
+FROM public.ecr.aws/eks-distro/kubernetes/go-runner:v0.16.4-eks-1-32-6 AS go-runner
+COPY --from=builder /src/eksctl /eksctl
+ENTRYPOINT ["/eksctl"]