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<!DOCTYPE html>
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spring 配置 cache 缓存使用 Redis（基于注解）
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Spring boot默认使用的是SimpleCacheConfiguration，即使用ConcurrentMapCacheManager来实现缓存。Spring cache是代码级的缓存，一般是使用一个ConcurrentMap，也就是说实际上还是是使用JVM的内存来缓存对象的，这势必会造成大量
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ssh文件本地环境配置
在自己系统中找到.ssh文件夹,将此目录下的文件全部删除
方法一： 在GUI模式下手动寻找 （window系统在 “C:\Users\账号名.ssh ” ）
方法二： 鼠标右键打开 Git Bash，在弹出的窗口中输入
1cd ~/.ssh # 进入.ssh文
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DockerFile命令
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FROM命令功能为指定基础镜像，并且必须是第一条指令。
如果不以任何镜像为基础，那么写法为：FROM scratch。
同时意味着接下来所写的指令将作为镜像的第一层开始
语法：
123FROM <image>FROM <image>:<tag>FROM <
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