docker环境变量配置不生效/ect/profile的解决方法

#  运行centos 获取systemctl权限
docker run \
--privileged \
-itd \
--name centos7 \
-p 8082:8080 \
-v /sys/fs/cgroup:/sys/fs/cgroup:ro \
centos:centos7 /usr/sbin/init
# 进入终端
docker exec -it centos7 /bin/bash

~/.bash_profile
~/.bashrc
/etc/bashrc
/etc/profile.d/*.sh

# 查看 ~/.bash_profile
$ more ~/.bash_profile

# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
    . ~/.bashrc
fi


# 查看 ~/.bashrc
$ more ~/.bashrc

# .bashrc
# Source global definitions
if [ -f /etc/bashrc ]; then
    . /etc/bashrc
fi


# 查看 /etc/bashrc
$ more /etc/bashrc

# /etc/bashrc
for i in /etc/profile.d/*.sh; do
    if [ -r "$i" ]; then
        if [ "$PS1" ]; then
            . "$i"
        else
            . "$i" >/dev/null
        fi
    fi
done


# 查看 /etc/profile
$ more /etc/profile

# /etc/profile
for i in /etc/profile.d/*.sh /etc/profile.d/sh.local ; do
    if [ -r "$i" ]; then
        if [ "${-#*i}" != "$-" ]; then
            . "$i"
        else
            . "$i" >/dev/null
        fi
    fi
done

# 新建环境变量文件
vim /etc/profile.d/env.sh
# /etc/profile.d/env.sh
# jdk
JAVA_HOME=/usr/local/jdk1.8.0_351
PATH=$JAVA_HOME/bin:$PATH

# It's NOT a good idea to change this file unless you know what you
# are doing. It's much better to create a custom.sh shell script in
# /etc/profile.d/ to make custom changes to your environment, as this
# will prevent the need for merging in future updates.