# Build Container
####
FROM golang:alpine AS builder

COPY . /go/src/app

WORKDIR /go/src/app

RUN apk add --no-cache git && \
    git config --global --add safe.directory /go/src/app && \
    addgroup -S -g 1000 app && \
    adduser --disabled-password -G app --gecos "application account" --home "/home/app" --shell "/sbin/nologin" --no-create-home --uid 1000 app && \
    GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -tags timetzdata -o go-webserver ./

# Step 3 - Running Container
####
FROM scratch

COPY --from=builder /etc/passwd /etc/group /etc/
COPY --from=builder --chown=app:app /go/src/app/go-webserver /app/go-webserver

USER app:app
WORKDIR /app/

ENTRYPOINT ["/app/go-webserver"]