# GitHub:       https://github.com/nicksherron/bashhub-server
FROM golang:1.13-alpine AS build

ARG VERSION
ARG GIT_COMMIT
ARG BUILD_DATE

ARG CGO=1
ENV CGO_ENABLED=${CGO}
ENV GOOS=linux
ENV GO111MODULE=on

WORKDIR /go/src/github.com/nicksherron/bashhub-server

COPY . /go/src/github.com/nicksherron/bashhub-server/

# gcc/g++ are required to build SASS libraries for extended version
RUN apk update && \
    apk add --no-cache gcc g++ musl-dev


RUN go build -ldflags '-w -linkmode external -extldflags "-static" -X github.com/nicksherron/bashhub-server/version.GitCommit=${GIT_COMMIT} -X github.com/nicksherron/bashhub-server/version.BuildDate=${BUILD_DATE}' -o /go/bin/bashhub-server

# ---

FROM alpine:3.11

COPY --from=build /go/bin/bashhub-server /usr/bin/bashhub-server

# libc6-compat & libstdc++ are required for extended SASS libraries
# ca-certificates are required to fetch outside resources (like Twitter oEmbeds)
RUN apk update && \
    apk add --no-cache ca-certificates libc6-compat libstdc++

VOLUME /data
WORKDIR /data

# Expose port for live server
EXPOSE 8080

ENTRYPOINT ["bashhub-server"]