42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
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package proxy
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import (
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"fmt"
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"net/http"
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"net/http/httputil"
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"net/url"
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"time"
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)
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// NewDockerHubProxy 创建 Docker Hub 反向代理
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func NewDockerHubProxy() http.Handler {
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target, _ := url.Parse("https://registry-1.docker.io")
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p := httputil.NewSingleHostReverseProxy(target)
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p.Director = func(req *http.Request) {
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req.URL.Scheme = target.Scheme
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req.URL.Host = target.Host
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req.Host = target.Host
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req.Header.Set("Host", target.Host)
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if req.Header.Get("User-Agent") == "" {
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req.Header.Set("User-Agent", "Docker-Client/24.0.0")
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}
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req.Header.Del("X-Forwarded-For")
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}
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p.ErrorHandler = func(w http.ResponseWriter, r *http.Request, err error) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusBadGateway)
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fmt.Fprintf(w, `{"errors":[{"code":"PROXY_ERROR","message":"%s"}]}`, err.Error())
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}
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p.Transport = &http.Transport{
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MaxIdleConns: 100,
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MaxIdleConnsPerHost: 20,
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IdleConnTimeout: 90 * time.Second,
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TLSHandshakeTimeout: 10 * time.Second,
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}
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return p
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}
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