# syntax=docker/dockerfile:1
# Build context: the repository backend/ directory.
#   docker build -f backend/Dockerfile -t REGISTRY/PROJECT/zhinian-go-api:TAG backend/

FROM golang:1.21-alpine AS build
WORKDIR /src
ENV CGO_ENABLED=0 GOOS=linux
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN go build -trimpath -ldflags="-s -w" -o /out/zhinian-api ./cmd/zhinian-api

FROM alpine:3.20
RUN apk add --no-cache ca-certificates tzdata \
    && addgroup -S -g 10001 zhinian \
    && adduser -S -D -H -u 10001 -G zhinian zhinian \
    && mkdir -p /var/lib/zhinian \
    && chown -R zhinian:zhinian /var/lib/zhinian
COPY --from=build /out/zhinian-api /usr/local/bin/zhinian-api
USER 10001:10001
EXPOSE 8080
ENTRYPOINT ["zhinian-api"]