# builder
FROM golang:1.22.7-alpine3.20 AS builder

RUN apk update && apk add gcc musl-dev

ARG VERSION=notset-dockerfile

WORKDIR /usr/src/app

COPY go.mod go.sum ./
RUN go mod download && go mod verify

RUN go install github.com/a-h/templ/cmd/templ@$(go list -m -f '{{ .Version }}' github.com/a-h/templ)
RUN templ generate --path internal/components

COPY cmd/ ./cmd
COPY internal/ ./internal

RUN --mount=type=cache,target=/root/.cache/go-build \
CGO_ENABLED=1 GOOS=linux go build -ldflags=-X=main.version=${VERSION} -v -o /felu ./cmd/felu/main.go

# tester
FROM builder AS tester
RUN --mount=type=cache,target=/root/.cache/go-build go test -v ./...

# release
FROM alpine:3.20 AS release

COPY --from=builder /felu /felu
COPY --from=builder /usr/src/app/internal/components /usr/src/app/internal/components
ADD ./static /static

RUN mkdir /var/felu

ENTRYPOINT ["/felu"]