FROM golang:1.22-alpine as base

ARG VERSION="unknown"
ARG REVISION="unknown"
ARG BUILDTIME=""

WORKDIR /go/src/git.loyso.art/frx/devsim

ENV GOCACHE=/go/pkg/mod/

RUN --mount=type=cache,target=/go/pkg/mod/ \
    --mount=type=bind,source=go.sum,target=go.sum \
    --mount=type=bind,source=go.mod,target=go.mod \
    go mod download -x && go mod verify
COPY . .

FROM base as build-utils
RUN --mount=type=cache,target=/go/pkg/mod/ \
  go build \
  -o /go/bin/utils \
  /go/src/git.loyso.art/frx/devsim/cmd/utility/main.go

FROM base as build-web
RUN --mount=type=cache,target=/go/pkg/mod/ \
  go build \
  -ldflags "-w -s -X 'git.loyso.art/frx/devsim.Version=${VERSION}' -X 'git.loyso.art/frx/devsim.Revision=${REVISION}' -X 'git.loyso.art/frx/devsim.BuildTime=${BUILDTIME}'" \
  -o /go/bin/web \
  /go/src/git.loyso.art/frx/devsim/cmd/web/main.go

FROM base as build-migrator
RUN --mount=type=cache,target=/go/pkg/mod/ \
  go build -o /go/bin/migrator \
  /go/src/git.loyso.art/frx/devsim/cmd/migrator/main.go

FROM gcr.io/distroless/static-debian12@sha256:ce46866b3a5170db3b49364900fb3168dc0833dfb46c26da5c77f22abb01d8c3 as web

WORKDIR /app
COPY --from=build-web /go/bin/web /app/web
COPY --from=build-utils /go/bin/utils /app/utils

ENV DEVSIM_HTTP_ADDR=":80"
EXPOSE 80

ENV DEVSIM_MONITOR_ADDR=":8080"
EXPOSE 8080

HEALTHCHECK --interval=10s --timeout=3s \
   CMD ["/app/utils", "health"]

ENTRYPOINT ["/app/web"]

FROM gcr.io/distroless/static-debian12@sha256:ce46866b3a5170db3b49364900fb3168dc0833dfb46c26da5c77f22abb01d8c3 as migrator

WORKDIR /app
COPY --from=build-migrator /go/bin/migrator /app/migrator

COPY assets/db/migrations/ /app/db/migrations/
ENV DEVSIM_PG_MIGRATOR="/app/migrations"

ENTRYPOINT ["/app/migrator"]