# syntax=docker/dockerfile:1

FROM golang:1.25-alpine AS builder

ENV CGO_ENABLED=1 \
    GOOS=linux

RUN apk add --no-cache \
    gcc \
    musl-dev

WORKDIR /build

COPY go.mod go.sum ./

RUN go mod download

COPY . .

RUN go build -o /app ./cmd/main.go

FROM alpine:3.23 AS final

COPY --from=builder /app /bin/build

# https://github.com/bluesky-social/indigo/blob/main/cmd/relay/Dockerfile#L39
ENV GODEBUG=netdns=go
ENV TZ=Etc/UTC

EXPOSE 8080

CMD ["bin/build", "start"]