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This article mainly introduces the example analysis of Centos7 installation docker compse, which is introduced in great detail and has certain reference value. Interested friends must read it!

I. Installation method

1. Official installation method

sudo curl -L https://github.com/docker/comse/releases/download/1.18.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compositeudo chmod +x /usr/local/bin/docker-compose give docker-compose enforcement limits

docker-compose --version Test whether the installation is successful. If successful, print the version information of docker-compose.

This method seems to require FQ, which can be connected to the external network.

2. Install using python-pip

First check if python-pip package has been installed in centos7, command as follows:

pip -V

Run Results:

If there is no python-pip package, execute the following command to install the epel-release dependency:

yum -y install epel-release

Run Results:

After successful execution, execute the following command to install python-pip:

yum -y install python-pip

Run Results:

To upgrade the pip component installed in the previous step, the command is as follows:

sudo pip install --upgrade pip

Run Results:

The following errors may occur:

The workaround is to upgrade as follows:

sudo pip install -upgrade pip --trusted-host pypi.python.org

If the error pkg_resources.DistributionNotFound: backports.ssl-match-hostname>=3.5 occurs, update the version of backports.ssl-match-hostname with the following command:

sudo pip install --upgrade backports.ssl_match_hostname

Run the following command again to check the pip environment:

pip -V

Run Results:

Execute the following command to install Docker-Compose:

sudo pip install docker-compose

There was a problem confirming the ssl certificate: [SSL:

CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590), which can be resolved by installing the following command:

sudo pip install -U docker-compose --trusted-host pypi.python.org

ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out error.

sudo pip --default-timeout=200 install -U docker-compose

If both errors occur, use the following command:

sudo pip --default-timeout=200 install -U docker-compose --trusted-host pypi.python.org

Without any errors, the following installation success screen will appear:

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