ARG NAME=go-sample

ARG VERSION

FROM golang:1.22-alpine3.19 AS build-env

# Declare build arguments

ARG NAME

ARG VERSION

ARG GIT_COMMIT_SHA

ARG GIT_BRANCH

# Set environment variables

ENV NAME=${NAME}

ENV VERSION=${VERSION}

ENV GIT_COMMIT_SHA=${GIT_COMMIT_SHA}

ENV GIT_BRANCH=${GIT_BRANCH}

# Set working directory

WORKDIR /go/src/${NAME}

# Add build dependencies

RUN set -eux; apk update; apk add --no-cache git openssh make ca-certificates tzdata go-task

# Copy source code

COPY . .

# Install dependencies

RUN go mod download -x

# Build the application

RUN go-task build

# Put everything together in a clean image

FROM alpine:3.20

ARG NAME

# Add ca-certificates

COPY --from=build-env /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt

# COPY tzdata

COPY --from=build-env /usr/share/zoneinfo /usr/share/zoneinfo

# Copy binary into PATH

COPY --from=build-env /go/src/${NAME}/bin/${NAME} /service

ENTRYPOINT ["/service"]