71 lines
2.1 KiB
Docker
71 lines
2.1 KiB
Docker
# 客服云 API — 生产镜像（多阶段构建）
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# build context: 仓库根目录
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# docker build -f deploy/docker/Dockerfile.api -t kefu-api:latest .
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#
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# 国内加速（默认开启）：Alpine 腾讯云源 + goproxy.cn
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# 注意：chai2010/webp 需要 CGO，必须装 gcc/musl-dev 且 CGO_ENABLED=1
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# 海外构建可覆盖：
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# docker build --build-arg ALPINE_MIRROR=dl-cdn.alpinelinux.org \
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# --build-arg GOPROXY=https://proxy.golang.org,direct ...
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FROM golang:1.26-alpine AS builder
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ARG ALPINE_MIRROR=mirrors.cloud.tencent.com
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ARG GOPROXY=https://goproxy.cn,direct
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# go.mod 若要求更高版本，自动下载 toolchain
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ENV GOTOOLCHAIN=auto
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# webp（chai2010）含 C 代码，关闭 CGO 会 undefined: webpEncode*
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ENV CGO_ENABLED=1
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ENV GOPROXY=${GOPROXY}
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ENV GOSUMDB=sum.golang.google.cn
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RUN set -eux; \
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if [ -n "${ALPINE_MIRROR}" ]; then \
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sed -i "s#dl-cdn.alpinelinux.org#${ALPINE_MIRROR}#g" /etc/apk/repositories; \
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fi; \
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apk add --no-cache git ca-certificates tzdata gcc musl-dev
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WORKDIR /src
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# 先下依赖，利用缓存
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COPY server/go.mod server/go.sum ./
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RUN go mod download
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COPY server/ ./
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# 静态链接，最终 alpine 镜像无需再装 libwebp / gcc
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RUN GOOS=linux GOARCH=amd64 \
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go build -trimpath \
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-ldflags="-s -w -linkmode external -extldflags '-static'" \
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-o /out/server ./cmd/main.go
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RUN GOOS=linux GOARCH=amd64 \
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go build -trimpath \
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-ldflags="-s -w -linkmode external -extldflags '-static'" \
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-o /out/seed ./cmd/seed
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FROM alpine:3.21
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ARG ALPINE_MIRROR=mirrors.cloud.tencent.com
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RUN set -eux; \
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if [ -n "${ALPINE_MIRROR}" ]; then \
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sed -i "s#dl-cdn.alpinelinux.org#${ALPINE_MIRROR}#g" /etc/apk/repositories; \
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fi; \
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apk add --no-cache ca-certificates tzdata wget \
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&& adduser -D -H -u 10001 kefu
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ENV TZ=Asia/Shanghai
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WORKDIR /app
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COPY --from=builder /out/server /app/server
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COPY --from=builder /out/seed /app/seed
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USER kefu
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EXPOSE 8080
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HEALTHCHECK --interval=15s --timeout=5s --start-period=20s --retries=5 \
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CMD wget -qO- http://127.0.0.1:8080/health || exit 1
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ENTRYPOINT ["/app/server"]
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