要在 Docker中配置 HTTP代理,你可以按照以下步骤进行操作:
1.创建或编辑 Docker的服务配置文件:
-对于 systemd
系统(如 Ubuntu、CentOS等),编辑 /etc/systemd/system/docker.service.d/proxy.conf
文件。
-如果目录不存在,可以手动创建。
2.在文件中添加以下内容:
Environment="HTTP_PROXY=http://proxy.example.com:port"Environment="HTTPS_PROXY=http://proxy.example.com:port"Environment="NO_PROXY=localhost,127.0.0.1,.example.com"
-将 proxy.example.com:port
替换为你的代理服务器地址和端口。
NO_PROXY
用于指定不需要通过代理访问的地址。
3.保存文件并退出编辑器。
4.重新加载 systemd
配置并重启 Docker服务
sudo systemctl daemon-reload sudo systemctl restart docker
5.验证代理是否生效:
systemctl show --property=Environment docker
如果配置正确,你会看到设置的代理环境变量。
####步骤:
1.运行容器时添加环境变量:
docker run --rm -e HTTP_PROXY=http://proxy.example.com:port \ -e HTTPS_PROXY=http://proxy.example.com:port \ -e NO_PROXY=localhost,127.0.0.1,.example.com \ your_image
2.验证容器内的网络请求是否通过代理。
--- ###3.为 Docker Build设置 HTTP代理在构建 Docker镜像时,如果需要通过代理访问外部资源,可以在 `Dockerfile`中或构建命令中设置代理。 ####方法1:在 `Dockerfile`中设置在 `Dockerfile`中添加以下内容: ```dockerfileENV HTTP_PROXY http://proxy.example.com:portENV HTTPS_PROXY http://proxy.example.com:portENV NO_PROXY localhost,127.0.0.1,.example.com``` ####方法2:在构建命令中设置在运行 `docker build`时添加环境变量: ```bashdocker build --build-arg HTTP_PROXY=http://proxy.example.com:port \ --build-arg HTTPS_PROXY=http://proxy.example.com:port \ --build-arg NO_PROXY=localhost,127.0.0.1,.example.com \ -t your_image .
###注意事项-如果代理需要认证,可以在代理地址中包含用户名和密码,例如:http://username:password@proxy.example.com:port
。
-确保代理服务器的地址和端口正确,并且网络可达。-如果代理配置错误,可能会导致 Docker无法正常访问外部资源。
通过以上步骤,你可以成功为 Docker配置 HTTP代理!
在Docker中配置HTTP代理,需修改Docker守护进程配置文件,添加HTTP_PROXY、HTTPS_PROXY和NO_PROXY环境变量,并重启Docker服务。单个容器可通过运行命令时添加环境变量设置代理。构建镜像时,可在Dockerfile或构建命令中设置代理。注意代理地址和端口的正确性,确保网络可达。
The following has evaluated to null or missing: ==> mrcms_957b2b666da74aafa5da6612a8ebdbce [in template "article.html" at line 254, column 64] ---- Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: #list mrcms_957b2b666da74aafa5da6612a... [in template "article.html" at line 254, column 57] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.Expression.assertNonNull(Expression.java:233) at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:103) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:93) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.template.Template.process(Template.java:384) at org.marker.mushroom.template.SendDataToView.process(SendDataToView.java:144) at org.marker.mushroom.core.WebAPP.start(WebAPP.java:187) at org.marker.mushroom.servlet.DispatcherServlet.progress(DispatcherServlet.java:48) at org.marker.mushroom.servlet.DispatcherServlet.doGet(DispatcherServlet.java:75) at javax.servlet.http.HttpServlet.service(HttpServlet.java:489) at javax.servlet.http.HttpServlet.service(HttpServlet.java:583) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:212) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:662) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:428) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:360) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:297) at org.marker.mushroom.filter.SystemCoreFilter.doFilter(SystemCoreFilter.java:222) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:679) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:617) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:934) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1690) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:840)