Remove use of intermediate build image

.dockerignore

@@ -1,14 +1,14 @@
-*
-!.git
-!.goreleaser*
-!.golangci*
-!.mockery.yaml
-!build/scripts
-!cmd
-!examples
-!go.*
-!integration
-!LICENSE
-!Makefile*
-!pkg
-!tools.go
+.editorconfig
+.dockerignore
+.github
+.gitignore
+*.md
+*.toml
+docs
+eksctl
+examples
+logo
+userdocs
+CNAME
+DCO
+LICENSE

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

@@ -39,7 +39,10 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
         with:
           fetch-depth: 0
-      - name: Setup build environment
-        uses: ./.github/actions/setup-build
-      - name: build
-        run: make -f Makefile.docker check-build-image-manifest-up-to-date
+      - name: Build image
+        id: push
+        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc #v6.11.0
+        with:
+          context: .
+          file: ./Dockerfile
+          push: false

CONTRIBUTING.md

@@ -284,7 +284,7 @@ then head to the [main docs](https://eksctl.io/) for more information.
 
 This project is written in Go. To be able to contribute you will need:
 
-1. A working Go installation of Go >= 1.12. You can check the
+1. A working Go installation of Go >= 1.24. You can check the
 [official installation guide](https://golang.org/doc/install).
 
 2. Make sure that `$(go env GOPATH)/bin` is in your shell's `PATH`. You can do so by
@@ -344,19 +344,6 @@ To run the tests simply run the following after `install-build-deps`:
 make test
 ```
 
-If you prefer to use Docker, the same way it is used in CI, you can use the
-following command:
-
-```bash
-make -f Makefile.docker test
-```
-
-> NOTE: It is not the most convenient way of working on the project, as
-> binaries are built inside the container and cannot be tested manually,
-> also majority of end-users consume binaries and not Docker images.
-> It is recommended to use `make build` etc, unless there is an issue in CI
-> that need troubleshooting.
-
 #### Running the integration tests
 
 > NOTE: Some parts of the integration tests are not configurable and therefore

Makefile

@@ -1,6 +1,5 @@
 include Makefile.common
 include Makefile.docs
-include Makefile.docker
 
 version_pkg := github.com/weaveworks/eksctl/pkg/version
 
@@ -36,8 +35,12 @@ endif
 install-all-deps: install-build-deps install-site-deps ## Install all dependencies for building both binary and user docs)
 
 .PHONY: install-build-deps
-install-build-deps: ## Install dependencies (packages and tools)
-	build/scripts/install-build-deps.sh
+install-build-deps: ## Install dependencies for code generation and test execution
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint
+	go install github.com/cloudflare/cfssl/cmd/...@latest
+	go install github.com/maxbrunsfeld/counterfeiter/v6
+	go install github.com/vektra/mockery/v2
+	go install github.com/vburenin/ifacemaker
 
 ##@ Build
 
@@ -102,7 +105,7 @@ build-integration-test: $(all_generated_code) ## Ensure integration tests compil
 	@# Compile integration test binary without running any.
 	@# Required as build failure aren't listed when running go build below. See also: https://github.com/golang/go/issues/15513
 	go test -tags integration -run=^$$ ./integration/...
-	@# Build integration test binary:
+	@# Build integration test binary:
 	go build -tags integration -o ./eksctl-integration-test ./integration/main.go
 
 .PHONY: integration-test
@@ -189,10 +192,6 @@ generate-kube-reserved: ## Update instance list with respective specs
 	@cd ./pkg/nodebootstrap/ && go run reserved_generate.go
 
 ##@ Release
-# .PHONY: eksctl-image
-# eksctl-image: ## Build the eksctl image that has release artefacts and no build dependencies
-# 	$(MAKE) -f Makefile.docker $@
-
 .PHONY: prepare-release
 prepare-release: ## Create release
 	build/scripts/tag-release.sh

Makefile.common

@@ -8,5 +8,3 @@ git_org := $(shell dirname $(full_repo_name))
 eksctl_version := $(shell go run pkg/version/generate/release_generate.go print-version)
 
 unique_tag = $(shell printf "%s-%s-%s" `git rev-parse @` $(build_image_tag) $(built_at))
-
-eksctl_image_name ?= weaveworks/eksctl:latest