我的服务器是带有whm和cpanel的a2hosting的Linux经销商计划。
我的项目是PHP Laravel。
该项目构建，然后使用Copy Files Over SSH任务，我能够将文件复制到我的服务器。
问题是当我尝试添加SSH任务之后为composer install和npm install我得到错误。它使用与文件复制任务相同的SSH连接和密钥。像cd和ls这样的工作。
当我在本地使用相同的用户名和相同的私钥并运行composer install时，它可以工作，以及npm install。在运行composer和npm后，网站加载正常，但我希望这是自动化的，所以我不必手动运行这些命令。
这是我的inline script：
composer install
我的错误看起来像这样：
2019-03-11T16:34:21.4468896Z ##[section]Starting: Run Composer
2019-03-11T16:34:21.4471875Z ==============================================================================
2019-03-11T16:34:21.4472119Z Task : SSH
2019-03-11T16:34:21.4472240Z Description : Run shell commands or a script on a remote machine using SSH
2019-03-11T16:34:21.4472332Z Version : 0.148.0
2019-03-11T16:34:21.4472433Z Author : Microsoft Corporation
2019-03-11T16:34:21.4472519Z Help : [More Information](http://go.microsoft.com/fwlink/?LinkId=821892)
2019-03-11T16:34:21.4472635Z ==============================================================================
2019-03-11T16:34:21.8985848Z composer install
2019-03-11T16:34:21.9008544Z Trying to establish an SSH connection to ***@mydomain.com:7822
2019-03-11T16:34:21.9181145Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9181767Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9182133Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9182449Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9183364Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9183731Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9184084Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9184417Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9184742Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9185068Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9185405Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9185751Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:21.9186053Z (node:1296) Warning: Use Cipheriv for counter mode of aes-256-ctr
2019-03-11T16:34:22.2806417Z Successfully connected.
2019-03-11T16:34:23.0424509Z tr -d '\015' <"./sshscript_1552322" > "./sshscript_1552322._unix"
2019-03-11T16:34:23.1378047Z chmod +x "./sshscript_1552322._unix"
2019-03-11T16:34:23.2240403Z "./sshscript_1552322._unix"
2019-03-11T16:34:23.3118392Z
2019-03-11T16:34:23.3171367Z ##[error]./sshscript_1552322._unix: line 3: composer: command not found
2019-03-11T16:34:23.3180458Z
2019-03-11T16:34:23.3181101Z ##[error]Command failed with errors on remote machine.
2019-03-11T16:34:23.4532093Z ##[section]Finishing: Run Composer
您可以在通过SSH手动登录时执行命令，但无法通过Azure脚本执行相同的命令。这可能意味着您的管道脚本无法加载~/.bashrc或预期的$PATH值，以便能够找到composer命令。您需要通过手动运行$PATH并通过管道脚本确保管道脚本包含正确的echo $PATH值，然后比较该值，或者您可以尝试放置composer二进制文件的完整路径，您可以通过执行which composer手动获取它， npm也是如此。
更新：正如您提到的$ PATH有问题，您可以在正在使用的bash脚本中手动定义它，如下所示：
export PATH=/my/missing/path:$PATH