Into the Future 🤩

.dockerignore

@@ -1,4 +1,3 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
 # Ignore build and test binaries.
 bin/
-testbin/

.gitignore

@@ -1,27 +1,27 @@
-
 # Binaries for programs and plugins
 *.exe
 *.exe~
 *.dll
 *.so
 *.dylib
-bin
-testbin/*
+bin/*
+Dockerfile.cross
 
-# Test binary, build with `go test -c`
+# Test binary, built with `go test -c`
 *.test
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
-# Kubernetes Generated files - skip generated files, except for vendored 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
 *~
-# VSCode
-.vscode

.golangci.yml

@@ -0,0 +1,40 @@
+run:
+  timeout: 5m
+  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

@@ -1,24 +1,31 @@
 # Build the manager binary
-FROM golang:alpine as builder
+FROM golang:1.22 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 main.go main.go
+COPY cmd/main.go cmd/main.go
 COPY api/ api/
-COPY controllers/ controllers/
+COPY internal/controller/ internal/controller/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager main.go
+# 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 registry.okd4.ts-1.staging-snappcloud.io/public-reg/ubi-minimal:8.3
-FROM alpine:latest
+FROM gcr.io/distroless/static:nonroot
 WORKDIR /
 COPY --from=builder /workspace/manager .
 USER 65532:65532