FROM docker.io/golang:1.25.4-alpine AS build

RUN apk add --no-cache upx git

WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN go tool templ generate
RUN go tool gotailwind -i assets/css/input.css -o assets/css/output.css --minify
RUN --mount=type=cache,target=/root/.cache/go-build \
    MODULE=$(head -1 go.mod | awk '{print $2}') && \
    VERSION=$(git describe --tags --always) && \
    COMMIT=$(git rev-parse --short HEAD) && \
    CGO_ENABLED=0 go build -ldflags="-s -X $MODULE/version.Version=$VERSION -X $MODULE/version.Commit=$COMMIT" -o /bin/games .
RUN upx -9 -k /bin/games

FROM scratch
ENV PORT=8080
COPY --from=build /bin/games /
ENTRYPOINT ["/games"]