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发布时间:2026-07-25阅读(0)
应用场景:Docker 容器中默认Pod的ingress和egress都是禁止流入和流出,只允许做DNS查询,今天小编就来说说关于docker 网络代理?下面更多详细答案一起来看看吧!

docker 网络代理
应用场景:Docker 容器中
默认Pod的ingress和egress都是禁止流入和流出,只允许做DNS查询
但是需要Java应用程序能够上网
apiVersion: networking.k8s.io/v1kind: Networkpolicymetadata: name: default-deny-all namespace: sandboxspec: podSelector: {} policyTypes: - Ingress - Egress
我一般如下验证我的语法是否OK
yq r 1.yaml -j -P
{ "apiVersion": "networking.k8s.io/v1", "kind": "Networkpolicy", "metadata": { "name": "default-deny-all", "namespace": "sandbox" }, "spec": { "podSelector": {}, "policyTypes": [ "Ingress", "Egress" ] }}
apiVersion: networking.k8s.io/v1kind: Networkpolicymetadata: name: default-allow-dns namespace: sandboxspec: podSelector: {} policyTypes: - Egress egress: - to: - namespaceSelector: {} podSelector: matchLabels: k8s-app: kube-dns ports: - port: 53 protocal: UDP - port: 53 protocal: TCP
参数说明
在deployment.yaml中片段如下
containers: - name: helloworld image: docker-registry.xxx.com/hello_proxy imagePullPolicy: Always ports: - containerPort: 8080 command: ["java"] args: ["-Dhttp.proxyHost=192.168.7.7", "-Dhttp.proxyPort=1328", "-Dhttps.proxyHost=192.168.7.7", "-Dhttps.proxyPort=443", "-jar", "target/app.jar"]
https://kubernetes.io/zh/docs/concepts/services-networking/network-policies/
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