安装部署Docker-Compose

# 创建dockers 文件夹
[root@localhost magx]# pwd
/home/magx
[root@localhost magx]# mkdir Dockers
[root@localhost magx]# cd /home/magx/Dockers

# 查询yum version

[root@localhost Dockers]# yum --version
3.4.3
  Installed: rpm-4.11.3-48.el7_9.x86_64 at 2023-04-21 10:31
  Built    : CentOS BuildSystem <http://bugs.centos.org> at 2021-11-24 16:33
  Committed: Michal Domonkos <mdomonko@redhat.com> at 2021-11-01

  Installed: yum-3.4.3-168.el7.centos.noarch at 2023-10-10 08:57
  Built    : CentOS BuildSystem <http://bugs.centos.org> at 2020-10-01 17:03
  Committed: CentOS Sources <bugs@centos.org> at 2020-09-29

  Installed: yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch at 2023-10-10 08:57
  Built    : CentOS BuildSystem <http://bugs.centos.org> at 2020-05-12 16:27
  Committed: Michal Domonkos <mdomonko@redhat.com> at 2020-03-12
[root@localhost Dockers]#
[root@localhost Dockers]#

# 升级系统
[root@localhost Dockers]# yum update
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.huaweicloud.com
 * epel: mirrors.bfsu.edu.cn
 * extras: mirrors.huaweicloud.com
 * updates: mirrors.huaweicloud.com
No packages marked for update
[root@localhost Dockers]#

1.2 安装Docker依赖

# 
# sudo  yum install -y yum-utils device-mapper-persistent-data lvm2

[root@localhost Dockers]# yum install -y yum-utils device-mapper-persistent-data lvm2
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.huaweicloud.com
 * epel: mirrors.bfsu.edu.cn
 * extras: mirrors.huaweicloud.com
 * updates: mirrors.huaweicloud.com
Package yum-utils-1.1.31-54.el7_8.noarch already installed and latest version
Package device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64 already installed and latest version
Package 7:lvm2-2.02.187-6.el7_9.5.x86_64 already installed and latest version
Nothing to do
[root@localhost Dockers]#

1.3 添加Docker官方存储库

[root@localhost Dockers]#
[root@localhost Dockers]# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Loaded plugins: fastestmirror, langpacks
adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
grabbing file https://download.docker.com/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo
repo saved to /etc/yum.repos.d/docker-ce.repo                # 保存路径： /etc/yum.repos.d/
[root@localhost Dockers]#
[root@localhost Dockers]#

1.4 安装Docker引擎

[root@localhost Dockers]#
[root@localhost Dockers]# yum install docker-ce docker-ce-cli containerd.io
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.huaweicloud.com
 * epel: mirrors.bfsu.edu.cn
 * extras: mirrors.huaweicloud.com
 * updates: mirrors.huaweicloud.com
docker-ce-stable                                                                                                                                  | 3.5 kB  00:00:00
(1/2): docker-ce-stable/7/x86_64/primary_db                                                                                                       | 118 kB  00:00:00
(2/2): docker-ce-stable/7/x86_64/updateinfo                                                                                                       |   55 B  00:00:01
Resolving Dependencies
--> Running transaction check
---> Package containerd.io.x86_64 0:1.6.25-3.1.el7 will be installed
--> Processing Dependency: container-selinux >= 2:2.74 for package: containerd.io-1.6.25-3.1.el7.x86_64
---> Package docker-ce.x86_64 3:24.0.7-1.el7 will be installed
--> Processing Dependency: docker-ce-rootless-extras for package: 3:docker-ce-24.0.7-1.el7.x86_64
---> Package docker-ce-cli.x86_64 1:24.0.7-1.el7 will be installed
--> Processing Dependency: docker-buildx-plugin for package: 1:docker-ce-cli-24.0.7-1.el7.x86_64
--> Processing Dependency: docker-compose-plugin for package: 1:docker-ce-cli-24.0.7-1.el7.x86_64
--> Running transaction check
---> Package container-selinux.noarch 2:2.119.2-1.911c772.el7_8 will be installed
---> Package docker-buildx-plugin.x86_64 0:0.11.2-1.el7 will be installed
---> Package docker-ce-rootless-extras.x86_64 0:24.0.7-1.el7 will be installed
--> Processing Dependency: fuse-overlayfs >= 0.7 for package: docker-ce-rootless-extras-24.0.7-1.el7.x86_64
--> Processing Dependency: slirp4netns >= 0.4 for package: docker-ce-rootless-extras-24.0.7-1.el7.x86_64
---> Package docker-compose-plugin.x86_64 0:2.21.0-1.el7 will be installed
--> Running transaction check
---> Package fuse-overlayfs.x86_64 0:0.7.2-6.el7_8 will be installed
--> Processing Dependency: libfuse3.so.3(FUSE_3.2)(64bit) for package: fuse-overlayfs-0.7.2-6.el7_8.x86_64
--> Processing Dependency: libfuse3.so.3(FUSE_3.0)(64bit) for package: fuse-overlayfs-0.7.2-6.el7_8.x86_64
--> Processing Dependency: libfuse3.so.3()(64bit) for package: fuse-overlayfs-0.7.2-6.el7_8.x86_64
---> Package slirp4netns.x86_64 0:0.4.3-4.el7_8 will be installed
--> Running transaction check
---> Package fuse3-libs.x86_64 0:3.6.1-4.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=========================================================================================================================================================================
 Package                                        Arch                        Version                                          Repository                             Size
=========================================================================================================================================================================
Installing:
 containerd.io                                  x86_64                      1.6.25-3.1.el7                                   docker-ce-stable                       34 M
 docker-ce                                      x86_64                      3:24.0.7-1.el7                                   docker-ce-stable                       24 M
 docker-ce-cli                                  x86_64                      1:24.0.7-1.el7                                   docker-ce-stable                       13 M
Installing for dependencies:
 container-selinux                              noarch                      2:2.119.2-1.911c772.el7_8                        extras                                 40 k
 docker-buildx-plugin                           x86_64                      0.11.2-1.el7                                     docker-ce-stable                       13 M
 docker-ce-rootless-extras                      x86_64                      24.0.7-1.el7                                     docker-ce-stable                      9.1 M
 docker-compose-plugin                          x86_64                      2.21.0-1.el7                                     docker-ce-stable                       13 M
 fuse-overlayfs                                 x86_64                      0.7.2-6.el7_8                                    extras                                 54 k
 fuse3-libs                                     x86_64                      3.6.1-4.el7                                      extras                                 82 k
 slirp4netns                                    x86_64                      0.4.3-4.el7_8                                    extras                                 81 k

Transaction Summary
=========================================================================================================================================================================
Install  3 Packages (+7 Dependent packages)

Total download size: 107 M
Installed size: 378 M
Is this ok [y/d/N]: y                          # y
Downloading packages:
(1/10): container-selinux-2.119.2-1.911c772.el7_8.noarch.rpm                                                                                      |  40 kB  00:00:00
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/docker-buildx-plugin-0.11.2-1.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY01:09 ETA
Public key for docker-buildx-plugin-0.11.2-1.el7.x86_64.rpm is not installed
(2/10): docker-buildx-plugin-0.11.2-1.el7.x86_64.rpm                                                                                              |  13 MB  00:00:13
(3/10): docker-ce-24.0.7-1.el7.x86_64.rpm                                                                                                         |  24 MB  00:00:27
(4/10): docker-ce-cli-24.0.7-1.el7.x86_64.rpm                                                                                                     |  13 MB  00:00:15
(5/10): docker-ce-rootless-extras-24.0.7-1.el7.x86_64.rpm                                                                                         | 9.1 MB  00:00:09
(6/10): fuse3-libs-3.6.1-4.el7.x86_64.rpm                                                                                                         |  82 kB  00:00:00
(7/10): fuse-overlayfs-0.7.2-6.el7_8.x86_64.rpm                                                                                                   |  54 kB  00:00:00
(8/10): slirp4netns-0.4.3-4.el7_8.x86_64.rpm                                                                                                      |  81 kB  00:00:00
(9/10): docker-compose-plugin-2.21.0-1.el7.x86_64.rpm                                                                                             |  13 MB  00:00:13
(10/10): containerd.io-1.6.25-3.1.el7.x86_64.rpm                                                                                                  |  34 MB  00:01:39
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                    1.1 MB/s | 107 MB  00:01:39
Retrieving key from https://download.docker.com/linux/centos/gpg
Importing GPG key 0x621E9F35:
 Userid     : "Docker Release (CE rpm) <docker@docker.com>"
 Fingerprint: 060a 61c5 1b55 8a7f 742b 77aa c52f eb6b 621e 9f35
 From       : https://download.docker.com/linux/centos/gpg
Is this ok [y/N]: y                # y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch                                                                                                   1/10
  Installing : containerd.io-1.6.25-3.1.el7.x86_64                                                                                                                  2/10
  Installing : docker-buildx-plugin-0.11.2-1.el7.x86_64                                                                                                             3/10
  Installing : fuse3-libs-3.6.1-4.el7.x86_64                                                                                                                        4/10
  Installing : fuse-overlayfs-0.7.2-6.el7_8.x86_64                                                                                                                  5/10
  Installing : slirp4netns-0.4.3-4.el7_8.x86_64                                                                                                                     6/10
  Installing : docker-compose-plugin-2.21.0-1.el7.x86_64                                                                                                            7/10
  Installing : 1:docker-ce-cli-24.0.7-1.el7.x86_64                                                                                                                  8/10
  Installing : docker-ce-rootless-extras-24.0.7-1.el7.x86_64                                                                                                        9/10
  Installing : 3:docker-ce-24.0.7-1.el7.x86_64                                                                                                                     10/10
  Verifying  : containerd.io-1.6.25-3.1.el7.x86_64                                                                                                                  1/10
  Verifying  : 3:docker-ce-24.0.7-1.el7.x86_64                                                                                                                      2/10
  Verifying  : docker-ce-rootless-extras-24.0.7-1.el7.x86_64                                                                                                        3/10
  Verifying  : docker-compose-plugin-2.21.0-1.el7.x86_64                                                                                                            4/10
  Verifying  : slirp4netns-0.4.3-4.el7_8.x86_64                                                                                                                     5/10
  Verifying  : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch                                                                                                   6/10
  Verifying  : 1:docker-ce-cli-24.0.7-1.el7.x86_64                                                                                                                  7/10
  Verifying  : fuse3-libs-3.6.1-4.el7.x86_64                                                                                                                        8/10
  Verifying  : docker-buildx-plugin-0.11.2-1.el7.x86_64                                                                                                             9/10
  Verifying  : fuse-overlayfs-0.7.2-6.el7_8.x86_64                                                                                                                 10/10

Installed:
  containerd.io.x86_64 0:1.6.25-3.1.el7                     docker-ce.x86_64 3:24.0.7-1.el7                     docker-ce-cli.x86_64 1:24.0.7-1.el7

Dependency Installed:
  container-selinux.noarch 2:2.119.2-1.911c772.el7_8         docker-buildx-plugin.x86_64 0:0.11.2-1.el7         docker-ce-rootless-extras.x86_64 0:24.0.7-1.el7
  docker-compose-plugin.x86_64 0:2.21.0-1.el7                fuse-overlayfs.x86_64 0:0.7.2-6.el7_8              fuse3-libs.x86_64 0:3.6.1-4.el7
  slirp4netns.x86_64 0:0.4.3-4.el7_8

Complete!
[root@localhost Dockers]#

# 安装完成后，检查docker 文件夹

[root@localhost Dockers]# ll
total 0
-rw-r--r--. 1 root root 0 Dec  4 10:21 =
-rw-r--r--. 1 root root 0 Dec  4 10:21 Finished
-rw-r--r--. 1 root root 0 Dec  4 10:21 Package
-rw-r--r--. 1 root root 0 Dec  4 10:21 Processing
-rw-r--r--. 1 root root 0 Dec  4 10:21 Running
[root@localhost Dockers]#
[root@localhost Dockers]#

1.5 启动Docker服务

 # 启动docker
[root@localhost Dockers]#
[root@localhost Dockers]# systemctl start docker          

# 查看docker服务 是否运行
[root@localhost Dockers]#
[root@localhost Dockers]# ps -aux|grep docker*
root     104955  5.0  0.1 3500780 63228 ?       Ssl  10:23   0:00 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
root     105245  0.0  0.0 112812   992 pts/4    S+   10:24   0:00 grep --color=auto docker*
[root@localhost Dockers]#

#  停止 docker服务
[root@localhost Dockers]# systemctl stop docker
Warning: Stopping docker.service, but it can still be activated by:
  docker.socket
[root@localhost Dockers]#

# 查看docker服务 是否停止运行
[root@localhost Dockers]# ps -aux|grep docker*
root     105646  0.0  0.0 112812   992 pts/4    S+   10:25   0:00 grep --color=auto docker*
[root@localhost Dockers]#

1.6 验证Docker是否成功安装

# sudo docker run hello-world

# docker服务 已运行
[root@localhost Dockers]# ps -aux|grep docker*
root     108747  2.8  0.2 3459032 67708 ?       Ssl  10:31   0:00 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
root     109224  0.0  0.0 112812   992 pts/4    S+   10:31   0:00 grep --color=auto docker*
[root@localhost Dockers]#


# 验证Docker 是否安装成功
# 如果一切顺利，将看到一个测试容器成功运行的消息

[root@localhost Dockers]#
[root@localhost Dockers]# docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
719385e32844: Pull complete
Digest: sha256:c79d06dfdfd3d3eb04cafd0dc2bacab0992ebc243e083cabe208bac4dd7759e0
Status: Downloaded newer image for hello-world:latest

Hello from Docker!
This message shows that your installation appears to be working correctly.

To generate this message, Docker took the following steps:
 1. The Docker client contacted the Docker daemon.
 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
    (amd64)
 3. The Docker daemon created a new container from that image which runs the
    executable that produces the output you are currently reading.
 4. The Docker daemon streamed that output to the Docker client, which sent it
    to your terminal.

To try something more ambitious, you can run an Ubuntu container with:
 $ docker run -it ubuntu bash

Share images, automate workflows, and more with a free Docker ID:
 https://hub.docker.com/

For more examples and ideas, visit:
 https://docs.docker.com/get-started/

[root@localhost Dockers]#

1.7 设置Docker开机自启动

# 设置开机自启动Docker服务
# sudo systemctl enable docker

[root@localhost Dockers]# systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
[root@localhost Dockers]#
[root@localhost Dockers]#

1.8 权限问题

现在，你已经成功在CentOS 7上安装了Docker。你可以使用docker命令来管理和运行容器了。请注意，执行Docker命令可能需要使用sudo来获取足够的权限。如果你想允许普通用户执行Docker命令，你可以将该用户添加到docker用户组中

Note: 设置完成后，请注销并重新登录以使更改生效

# sudo usermod -aG docker your_username

[root@localhost Dockers]# usermod -ag docker magx    # -aG 失误错写成 -ag
usermod: -a flag is only allowed with the -G flag
Usage: usermod [options] LOGIN

Options:
  -c, --comment COMMENT         new value of the GECOS field
  -d, --home HOME_DIR           new home directory for the user account
  -e, --expiredate EXPIRE_DATE  set account expiration date to EXPIRE_DATE
  -f, --inactive INACTIVE       set password inactive after expiration
                                to INACTIVE
  -g, --gid GROUP               force use GROUP as new primary group
  -G, --groups GROUPS           new list of supplementary GROUPS
  -a, --append                  append the user to the supplemental GROUPS
                                mentioned by the -G option without removing
                                the user from other groups
  -h, --help                    display this help message and exit
  -l, --login NEW_LOGIN         new value of the login name
  -L, --lock                    lock the user account
  -m, --move-home               move contents of the home directory to the
                                new location (use only with -d)
  -o, --non-unique              allow using duplicate (non-unique) UID
  -p, --password PASSWORD       use encrypted password for the new password
  -R, --root CHROOT_DIR         directory to chroot into
  -P, --prefix PREFIX_DIR       prefix directory where are located the /etc/* files
  -s, --shell SHELL             new login shell for the user account
  -u, --uid UID                 new UID for the user account
  -U, --unlock                  unlock the user account
  -v, --add-subuids FIRST-LAST  add range of subordinate uids
  -V, --del-subuids FIRST-LAST  remove range of subordinate uids
  -w, --add-subgids FIRST-LAST  add range of subordinate gids
  -W, --del-subgids FIRST-LAST  remove range of subordinate gids
  -Z, --selinux-user SEUSER     new SELinux user mapping for the user account

[root@localhost Dockers]#
[root@localhost Dockers]# usermod -aG docker magx
[root@localhost Dockers]#


Note: 请注销并重新登录以使更改生效

2. 安装Docker-compose

Docker-Compose是基于Docker的编排工具，需要有Docker环境

1、Docker-Compose只能管理当前计算机上的 Docker容器，不能跨计算机管理Docker容器；

2、一个项目可以包括多个容器实例，但Docker-Compose无法实现多容器间负载均衡，若要实现此功能，则需要借助诸如Nginx等工具。

2.1 准备

2.1.1 系统设置

设置允许数据包转发

注意：

Linux默认不允许数据包转发，此时执行docker run时出现如下警告，将导致无法远程访问该docker容器
...省略...
WARNING: IPv4 forwarding is disabled. Networking will not work.

# 设置允许数据包转发

# cat >> /usr/lib/sysctl.d/50-default.conf << EOF
net.ipv4.ip_forward = 1
EOF
# cat /usr/lib/sysctl.d/50-default.conf
# systemctl restart network


1. # 设置允许数据包转发前 查看  /usr/lib/sysctl.d/50-default.conf 

[root@localhost Dockers]#
[root@localhost Dockers]# cat /usr/lib/sysctl.d/50-default.conf
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.

# See sysctl.d(5) and core(5) for for documentation.

# To override settings in this file, create a local file in /etc
# (e.g. /etc/sysctl.d/90-override.conf), and put any assignments
# there.

# System Request functionality of the kernel (SYNC)
#
# Use kernel.sysrq = 1 to allow all keys.
# See http://fedoraproject.org/wiki/QA/Sysrq for a list of values and keys.
kernel.sysrq = 16

# Append the PID to the core filename
kernel.core_uses_pid = 1

# https://bugzilla.redhat.com/show_bug.cgi?id=1689344
kernel.kptr_restrict = 1

# Source route verification
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1

# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.accept_source_route = 0

# Promote secondary addresses when the primary address is removed
net.ipv4.conf.default.promote_secondaries = 1
net.ipv4.conf.all.promote_secondaries = 1

# Enable hard and soft link protection
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
[root@localhost Dockers]#


2. 将net.ipv4.ip_forward=1 追加写入 /usr/lib/sysctl.d/50-default.conf 

[root@localhost Dockers]# cat >> /usr/lib/sysctl.d/50-default.conf << EOF
> net.ipv4.ip_forward=1
> EOF
[root@localhost Dockers]#




3.设置允许数据包转发后 查看  /usr/lib/sysctl.d/50-default.conf 
# cat /usr/lib/sysctl.d/50-default.conf 

[root@localhost Dockers]# cat /usr/lib/sysctl.d/50-default.conf
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.

# See sysctl.d(5) and core(5) for for documentation.

# To override settings in this file, create a local file in /etc
# (e.g. /etc/sysctl.d/90-override.conf), and put any assignments
# there.

# System Request functionality of the kernel (SYNC)
#
# Use kernel.sysrq = 1 to allow all keys.
# See http://fedoraproject.org/wiki/QA/Sysrq for a list of values and keys.
kernel.sysrq = 16

# Append the PID to the core filename
kernel.core_uses_pid = 1

# https://bugzilla.redhat.com/show_bug.cgi?id=1689344
kernel.kptr_restrict = 1

# Source route verification
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1

# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.accept_source_route = 0

# Promote secondary addresses when the primary address is removed
net.ipv4.conf.default.promote_secondaries = 1
net.ipv4.conf.all.promote_secondaries = 1

# Enable hard and soft link protection
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
net.ipv4.ip_forward=1               #追加写入
[root@localhost Dockers]#


4. 重启网卡
# systemctl restart network

[root@localhost Dockers]# systemctl restart network
[root@localhost Dockers]#

2.2 在 `/usr/local/bin` 目录下下载 Docker Compose 二进制文件

# sudo curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose


[root@localhost Dockers]# cd /usr/local/bin/
[root@localhost bin]#
[root@localhost bin]# ll
total 0
[root@localhost bin]# pwd
/usr/local/bin
[root@localhost bin]#
[root@localhost bin]# curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0
100 56.9M  100 56.9M    0     0  54375      0  0:18:17  0:18:17 --:--:-- 53536
[root@localhost bin]#

2.3 将下载的二进制文件设置为可执行权限

[root@localhost bin]# ll
total 58304
-rw-r--r--. 1 root root 59699273 Dec  4 11:28 docker-compose
[root@localhost bin]#
[root@localhost bin]# chmod +x /usr/local/bin/docker-compose    # 添加可执行权限
[root@localhost bin]#
[root@localhost bin]# ll
total 58304
-rwxr-xr-x. 1 root root 59699273 Dec  4 11:28 docker-compose
[root@localhost bin]#
[root@localhost bin]#

2.4 创建一个符号链接以便于直接使用 `docker-compose` 命令

[root@localhost bin]#
[root@localhost bin]# ln -s /usr/local/bin/docker-compose  /usr/bin/docker-compose
[root@localhost bin]#

2.5 验证安装是否成功

# 验证docker-compose 是否安装成功

[root@localhost bin]# docker-compose --version
Docker Compose version v2.23.3
[root@localhost bin]#

3. docker-compse 常用命令

3.1 启动服务

启动服务
# docker-compose up


【选项】
-d 在后台运行服务容器；

-f 指定使用的Compose模板文件，默认为docker-compose.yml，可以多次指定；

3.2 列出项目中所有容器

列出项目中所有容器
# docker-compose ps

3.3 停止正在运行的容器

停止正在运行的容器
# docker-compose stop

3.4 启动、重启容器

启动容器
# docker-compose start



重启项目中的服务
# docker-compose restart

3.5 停止和删除容器

停止和删除容器、网络、卷、镜像；
# docker-compose down


[选项]
–rmi type：删除镜像，type必须为all或local：all，删除compose文件中定义的所有镜像；local，删除镜像名为空的镜像；
-v, –volumes：删除已经在compose文件中定义的和匿名的附在容器上的数据卷；

3.7 查看服务容器的输出

# 查看服务容器的输出
# docker-compose logs

3.8 删除所有（停止状态的）服务容器

# 删除所有（停止状态的）服务容器：
# docker-compose rm

[选项]
–f：强制直接删除，包括非停止状态的容器；

-v：删除容器所挂载的数据卷；

1. 要在CentOS 7上安装Docker，操作如下：

1.1 更新系统

1.2 安装Docker依赖

1.3 添加Docker官方存储库

1.4 安装Docker引擎

1.5 启动Docker服务

1.6 验证Docker是否成功安装

1.7 设置Docker开机自启动

1.8 权限问题

2. 安装Docker-compose

2.1 准备

2.1.1 系统设置

2.2 在 /usr/local/bin 目录下下载 Docker Compose 二进制文件

2.3 将下载的二进制文件设置为可执行权限

2.4 创建一个符号链接以便于直接使用 docker-compose 命令

2.5 验证安装是否成功

3. docker-compse 常用命令

3.1 启动服务

3.2 列出项目中所有容器

3.3 停止正在运行的容器

3.4 启动、重启 容器

3.5 停止和删除容器

3.7 查看服务容器的输出

3.8 删除所有（停止状态的）服务容器

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2.2 在 `/usr/local/bin` 目录下下载 Docker Compose 二进制文件

2.4 创建一个符号链接以便于直接使用 `docker-compose` 命令

3.4 启动、重启容器