FROM docker.io/alpine:3.21 AS builder

ARG VTT_URL=""
ENV SHA256_SUM=1f82297e5124c2c99e0c039d5562db861e22dc5ef385361d3993c54f7e07f278

RUN wget -O vtt.zip "$VTT_URL"
RUN echo "$SHA256_SUM  vtt.zip" | sha256sum -c - || exit 1
RUN unzip vtt.zip -d /vtt


FROM docker.io/alpine:3.21

RUN adduser -D -u 2222 vtt
RUN mkdir /data && chown -R vtt:vtt /data

RUN apk --no-cache add \
  nodejs

COPY --from=builder /vtt/resources/app /app

WORKDIR /data
USER vtt

ENTRYPOINT ["/usr/bin/node", "/app/main.js", "--dataPath=/data", "--noupnp", "--noupdate", "--noipdiscovery"]

VOLUME ["/data"]
EXPOSE 30000