WIP: Rescaffolding project to kubebuilder 4

.dockerignore

@@ -1,5 +1,3 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/

.gitignore

@@ -1,30 +1,35 @@
+
 # Binaries for programs and plugins
 *.exe
 *.exe~
 *.dll
 *.so
 *.dylib
 bin/*
+Dockerfile.cross
 dashboard/containers/**
 dashboard/bin/*
 **/main
 **/*.out
 
 # Test binary, built with `go test -c`
 *.test
-testbin/
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
-# Editor files
+# Go workspace file
+go.work
+
+# Kubernetes Generated files - skip generated files, except for vendored files
+!vendor/**/zz_generated.*
+
+# Editor and IDE paraphernalia
+.idea
+.vscode
+*.swp
+*.swo
 *~
-*.orig
-.idea/
-.vscode/
 
-# Hide internal configs
+# Internal configs
 config/defaults.yaml
-
-# Dependency directories (remove the comment below to include it)
-# vendor/

.golangci.yml

@@ -0,0 +1,39 @@
+run:
+  allow-parallel-runners: true
+
+issues:
+  # don't skip warning about doc comments
+  # don't exclude the default set of lint
+  exclude-use-default: false
+  # restore some of the defaults
+  # (fill in the rest as needed)
+  exclude-rules:
+    - path: "api/*"
+      linters:
+        - lll
+    - path: "internal/*"
+      linters:
+        - dupl
+        - lll
+linters:
+  disable-all: true
+  enable:
+    - dupl
+    - errcheck
+    - exportloopref
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - prealloc
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused

Dockerfile

@@ -0,0 +1,33 @@
+# Build the manager binary
+FROM golang:1.21 AS builder
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY cmd/main.go cmd/main.go
+COPY api/ api/
+COPY internal/controller/ internal/controller/
+
+# Build
+# the GOARCH has not a default value to allow the binary be built according to the host where the command
+# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
+# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
+# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER 65532:65532
+
+ENTRYPOINT ["/manager"]