# Build
FROM golang:alpine AS build

RUN apk add --no-cache -U build-base git make

RUN mkdir -p /src

WORKDIR /src

# Copy Makefile
COPY Makefile ./

# Install deps
RUN make deps

# Copy go.mod and go.sum and install and cache dependencies
COPY go.mod .
COPY go.sum .

# Copy static assets
COPY ./internal/web/* ./internal/web/
COPY ./internal/web/css/* ./internal/web/css/
COPY ./internal/web/js/* ./internal/web/js/

# Copy sources
COPY *.go ./
COPY ./internal/*.go ./internal/
COPY ./internal/exec/*.go ./internal/exec/
COPY ./internal/pwa/*.go ./internal/pwa/
COPY ./internal/pwa/components/*.go ./internal/pwa/components/
COPY ./internal/pwa/storage/*.go ./internal/pwa/storage/
COPY ./internal/pwa/routes/*.go ./internal/pwa/routes/
COPY ./internal/pwa/utils/*.go ./internal/pwa/utils/
COPY ./internal/tui/*.go ./internal/tui/
COPY ./internal/*.go ./internal/
COPY ./cmd/salty-chat/*.go ./cmd/salty-chat/
COPY ./cmd/saltyd/*.go ./cmd/saltyd/

# Version/Commit (there there is no .git in Docker build context)
# NOTE: This is fairly low down in the Dockerfile instructions so
#       we don't break the Docker build cache just be changing
#       unrelated files that actually haven't changed but caused the
#       COMMIT value to change.
ARG VERSION="0.0.0"
ARG COMMIT="HEAD"

# Build cli and server binaries
RUN make cli server VERSION=$VERSION COMMIT=$COMMIT

# Runtime
FROM alpine:latest

RUN apk --no-cache -U add su-exec shadow ca-certificates tzdata

ENV PUID=1000
ENV PGID=1000

RUN addgroup -g "${PGID}" salty && \
    adduser -D -H -G salty -h /var/empty -u "${PUID}" salty && \
    mkdir -p /data && chown -R salty:salty /data

VOLUME /data

WORKDIR /

# force cgo resolver
ENV GODEBUG=netdns=cgo

COPY --from=build /src/salty-chat /usr/local/bin/salty-chat
COPY --from=build /src/saltyd /usr/local/bin/saltyd

COPY .dockerfiles/entrypoint.sh /init

ENTRYPOINT ["/init"]
CMD ["saltyd"]