ARG GOLANG_VERSION="1.20.5"
ARG ALPINE_VERSION="3.18"

FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION} AS build

ARG VERSION=latest
ARG BUILD="unknown"
ARG BUILD_DATE="unknown"
ARG BUILT_BY="docker"

WORKDIR /app

COPY go.mod go.sum ./

RUN go mod download

COPY . .

RUN go build \
    -ldflags="-X $VERSION_PKG.Version=${VERSION}" \
    -ldflags="-X $VERSION_PKG.Build=${BUILD}" \
    -ldflags="-X $VERSION_PKG.BuildDate=${BUILD_DATE}" \
    -ldflags="-X $VERSION_PKG.BuiltBy=${BUILT_BY}" \
    -o /ytdl-web .

FROM alpine:${ALPINE_VERSION}

WORKDIR /app

ARG YTDLP_VERSION="2023.07.06-r0"
RUN apk add --no-cache yt-dlp==${YTDLP_VERSION}

COPY --from=build /ytdl-web ./

EXPOSE 8080

ENV YTDL_HTTP_PORT=8080 \
    YTDL_HTTP_LISTEN=0.0.0.0 \
    YTDL_BINARYPATH=/usr/bin/yt-dlp \
    YTDL_CONFIGDIR=/config

ENTRYPOINT [ "./ytdl-web" ]