Dockerfile

FROM golang:1.23.3 AS builder

ARG TARGETPLATFORM
ARG PS_VERSION

COPY ./build /app/build
COPY ./cmd /app/cmd
COPY ./dev-scripts /app/dev-scripts
COPY ./garbagecollect /app/garbagecollect
COPY ./handlers /app/handlers
COPY ./picoshare /app/picoshare
COPY ./random /app/random
COPY ./space /app/space
COPY ./store /app/store
COPY ./go.* /app/

WORKDIR /app

RUN TARGETPLATFORM="${TARGETPLATFORM}" \
    PS_VERSION="${PS_VERSION}" \
    ./dev-scripts/build-backend "prod"

FROM scratch as artifact
COPY --from=builder /app/bin/picoshare ./

FROM debian:stable-20240311-slim AS litestream_downloader

ARG TARGETPLATFORM
ARG litestream_version="v0.3.13"

WORKDIR /litestream

RUN set -x && \
    apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y \
      ca-certificates \
      wget

RUN set -x && \
    if [ "$TARGETPLATFORM" = "linux/arm/v7" ]; then \
      ARCH="arm7" ; \
    elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
      ARCH="arm64" ; \
    else \
      ARCH="amd64" ; \
    fi && \
    set -u && \
    litestream_binary_tgz_filename="litestream-${litestream_version}-linux-${ARCH}.tar.gz" && \
    wget "https://github.com/benbjohnson/litestream/releases/download/${litestream_version}/${litestream_binary_tgz_filename}" && \
    mv "${litestream_binary_tgz_filename}" litestream.tgz
RUN tar -xvzf litestream.tgz

FROM alpine:3.15

RUN apk add --no-cache bash

COPY --from=builder /app/bin/picoshare /app/picoshare
COPY --from=litestream_downloader /litestream/litestream /app/litestream
COPY ./docker-entrypoint /app/docker-entrypoint
COPY ./litestream.yml /etc/litestream.yml
COPY ./LICENSE /app/LICENSE

ENV LITESTREAM_RETENTION=72h

WORKDIR /app

ENTRYPOINT ["/app/docker-entrypoint"]
CMD ["-db", "/data/store.db"]