61 lines
2.0 KiB
Docker
61 lines
2.0 KiB
Docker
FROM golang:1.21-alpine AS builder
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ENV CGO_ENABLED=0
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ENV GO111MODULE=on
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ENV GOPROXY=https://goproxy.cn,direct
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# 安装构建所需的工具：git、protoc、make
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RUN apk add --no-cache git protobuf make
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WORKDIR /app
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# 复制 go.work 文件（用于工作区配置，必须在项目根目录）
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COPY go.work go.work.sum* ./
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# 复制 server 模块的依赖文件（先复制依赖文件以利用 Docker 缓存）
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COPY server/go.mod server/go.sum ./server/
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WORKDIR /app/server
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RUN go mod download
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# 复制 grpc/user/userv1 模块的依赖文件
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WORKDIR /app
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COPY grpc/user/userv1/go.mod grpc/user/userv1/go.sum ./grpc/user/userv1/
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WORKDIR /app/grpc/user/userv1
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RUN go mod download
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# 安装 protoc 插件（需要在有 go.mod 的环境中安装）
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WORKDIR /app
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RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest && \
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go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest && \
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go install github.com/envoyproxy/protoc-gen-validate@latest && \
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go install github.com/go-kratos/kratos/cmd/protoc-gen-go-http@latest && \
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go install github.com/go-kratos/kratos/cmd/protoc-gen-go-errors@latest
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# 复制 grpc 目录（包括 proto 文件和 Makefile）
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COPY grpc/ ./grpc/
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# 在容器内生成 proto 文件
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WORKDIR /app/grpc
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RUN make generate
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# 复制 server 源代码
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WORKDIR /app
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COPY server/ ./server/
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# 构建应用（在项目根目录，go.work 会自动生效）
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# 使用 -ldflags 减小二进制文件大小，移除调试信息
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WORKDIR /app/server
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RUN go build -ldflags="-w -s" -trimpath -o /out/server ./cmd/server/main.go
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# 使用最小化的 alpine 镜像（包含时区支持，应用需要 loc=Local）
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FROM alpine:3.19
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# 只安装运行时必需的包：时区和 CA 证书（用于可能的 HTTPS 连接）
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RUN apk add --no-cache ca-certificates tzdata && \
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# 创建非 root 用户
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addgroup -g 1000 appuser && \
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adduser -D -u 1000 -G appuser appuser && \
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# 清理缓存
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rm -rf /var/cache/apk/*
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WORKDIR /app
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COPY --from=builder /out/server /app/server
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EXPOSE 8077
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USER appuser:appuser
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ENTRYPOINT ["/app/server"]
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