FROM golang:1.25 AS builder

ENV CGO_ENABLED=0 \
    GOOS=linux \
    GOARCH=amd64 \
    GOPROXY=https://goproxy.cn|https://proxy.golang.google.cn|direct \
    GOSUMDB=sum.golang.google.cn

WORKDIR /src/ai-chat-service

COPY go.mod go.sum ./

RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    go mod download -x

COPY . .

RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    go build -trimpath -ldflags="-s -w" -o /out/ai-chat-service ./chat-server

FROM alpine:3.18

ADD ./grpc_health_probe-linux-amd64 /usr/bin/grpc_health_probe
RUN chmod +x /usr/bin/grpc_health_probe

LABEL maintainer="nick"

WORKDIR /app/

COPY --from=builder /out/ai-chat-service ./ai-chat-service
COPY ./docker.config.yaml /app/config.yaml

ENTRYPOINT ["./ai-chat-service"]
CMD ["--config=config.yaml"]