ARG GOLANG_VERSION=1.23

ARG ALPINE_VERSION=3.21

ARG PROJECT=helmwave

# Bulder

FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION} AS builder

ENV GO111MODULE=on

ENV CGO_ENABLED=0

WORKDIR ${PROJECT}

COPY go.mod go.sum ./

RUN go mod download

# Copy src code from the host and compile it

COPY cmd cmd

COPY pkg pkg

RUN go build -a -o "/${PROJECT}" "./cmd/${PROJECT}"

## Base image with shell

FROM alpine:${ALPINE_VERSION} as base-release

RUN apk --update --no-cache add ca-certificates && update-ca-certificates

ENTRYPOINT ["/bin/${PROJECT}"]

### Base image with shell and debugging tools

FROM base-release as base-debug-release

RUN apk --update --no-cache add jq bash

COPY --chown=root:root --chmod=0775 --from=bitnami/kubectl:latest /opt/bitnami/kubectl/bin/kubectl /bin/kubectl

### Build with goreleaser

FROM base-release as goreleaser

COPY ${PROJECT} /bin/

### Debug tag, just manually

FROM base-debug-release as debug-goreleaser

COPY ${PROJECT} /bin/

### Build in docker

FROM base-release as release

COPY --from=builder /${PROJECT} /bin/

### Scratch with build in docker

FROM scratch as scratch-release

COPY --from=base-release /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/

COPY --from=builder /${PROJECT} /bin/

ENTRYPOINT ["/bin/${PROJECT}"]

USER 65534

### Scratch with goreleaser

FROM scratch as scratch-goreleaser

COPY --from=base-release /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/

COPY ${PROJECT} /bin/

ENTRYPOINT ["/bin/${PROJECT}"]

USER 65534