# build stage
FROM golang:1.22-alpine AS build

WORKDIR /src

# Download Go modules
COPY go.mod go.sum ./
RUN go mod download

# this could be simplified a lot by being stricter on what we copy.
COPY . . 

ENV GOCACHE=/root/.cache/go-build

RUN --mount=type=cache,target="/root/.cache/go-build" CGO_ENABLED=0 GOOS=linux go build -o adonis .

# copy only binary and static files to slim image size
FROM alpine

WORKDIR /app

COPY --from=build /src/adonis .
COPY --from=build /src/static ./static

# application binds to 80 by default
EXPOSE 80

ENTRYPOINT ["/app/adonis"]