Dockerfile.agent

# syntax=docker/dockerfile:1.7

FROM golang:1.24.0-alpine AS builder

WORKDIR /src
RUN apk add --no-cache ca-certificates git

COPY go.mod go.sum ./

# 可选：构建时允许通过参数覆盖 GOPROXY（适用于企业内网代理/镜像源）。
ARG GOPROXY
RUN if [ -n "${GOPROXY:-}" ]; then go env -w GOPROXY="${GOPROXY}"; fi && go mod download

COPY . .

ARG TARGETOS
ARG TARGETARCH
RUN CGO_ENABLED=0 \
    GOOS=${TARGETOS:-$(go env GOOS)} \
    GOARCH=${TARGETARCH:-$(go env GOARCH)} \
    go build -trimpath -ldflags="-s -w" -o /out/nginxpulse-agent ./cmd/nginxpulse-agent

FROM alpine:3.20 AS runtime

WORKDIR /app
RUN apk add --no-cache ca-certificates tzdata \
    && adduser -S -D -H -u 10001 nginxpulse-agent

COPY --from=builder /out/nginxpulse-agent /app/nginxpulse-agent
RUN chmod +x /app/nginxpulse-agent

USER 10001
ENTRYPOINT ["/app/nginxpulse-agent"]
CMD ["-config", "/etc/nginxpulse/agent.json"]