chore: improved docker build ignores

.dockerignore

@@ -1,9 +1,24 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
 # Ignore build and test binaries.
-**
-!controllers/
-!api/
-!pkg/
-!go.mod
-!go.sum
-!main.go
+
+# folders
+_data/
+.github/
+bin/
+config/
+e2e/
+hack/
+
+# files
+.envrc
+.gitignore
+.goreleaser.yaml
+CODE_OF_CONDUCT.md
+docker-compose.yaml
+Dockerfile
+Dockerfile.dev
+LICENSE
+Makefile
+PROJECT.md
+README.md
+SECURITY.md

Dockerfile.dev

@@ -8,22 +8,18 @@ WORKDIR /workspace
 # Copy the go source
 ADD . .
 
-# 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
-
 # 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 main.go
+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 controller
+COPY --from=builder /workspace/manager .
 USER 65532:65532
 
-ENTRYPOINT ["/controller"]
+ENTRYPOINT ["/manager"]