# syntax=docker/dockerfile:1.7

FROM --platform=$BUILDPLATFORM golang:1.22-alpine AS builder
WORKDIR /src

RUN apk add --no-cache ca-certificates tzdata

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

COPY . .

ARG TARGETOS
ARG TARGETARCH
RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
  go build -trimpath -ldflags='-s -w' -o /out/xteve ./xteve.go

FROM alpine:3.20

RUN apk add --no-cache ca-certificates tzdata \
  && addgroup -S xteve \
  && adduser -S -G xteve xteve \
  && mkdir -p /xteve/config \
  && chown -R xteve:xteve /xteve

WORKDIR /xteve

COPY --from=builder /out/xteve /usr/local/bin/xteve
COPY docker/entrypoint.sh /usr/local/bin/docker-entrypoint.sh

USER xteve

EXPOSE 34400/tcp
VOLUME ["/xteve/config"]

ENV XTEVE_CONFIG=/xteve/config
ENV XTEVE_PORT=34400

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD wget -qO- "http://127.0.0.1:${XTEVE_PORT}/lineup_status.json" > /dev/null || exit 1

ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]