docs(git): add advanced and error

docs/platform/版本更新后database出错.md

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+
+# 版本更新后database出错
+
+### 问题描述
+
+拉取了最新的`Docker Gitlab`镜像，部署时发现了如下错误：
+
+```
+gitlab     |     System Info:
+gitlab     |     ------------
+gitlab     |     chef_version=14.14.29
+gitlab     |     platform=ubuntu
+gitlab     |     platform_version=16.04
+gitlab     |     ruby=ruby 2.6.6p146 (2020-03-31 revision 67876) [x86_64-linux]
+gitlab     |     program_name=/opt/gitlab/embedded/bin/chef-client
+gitlab     |     executable=/opt/gitlab/embedded/bin/chef-client
+gitlab     |     
+gitlab     | 
+gitlab     | Running handlers:
+gitlab     | There was an error running gitlab-ctl reconfigure:
+gitlab     | 
+gitlab     | bash[migrate gitlab-rails database] (gitlab::database_migrations line 55) had an error: Mixlib::ShellOut::ShellCommandFailed: Expected process to exit with [0], but received '1'
+gitlab     | ---- Begin output of "bash"  "/tmp/chef-script20200618-23-sfpkhu" ----
+gitlab     | STDOUT: rake aborted!
+gitlab     | PG::ConnectionBad: could not connect to server: No such file or directory
+gitlab     | 	Is the server running locally and accepting
+gitlab     | 	connections on Unix domain socket "/var/opt/gitlab/postgresql/.s.PGSQL.5432"?
+gitlab     | /opt/gitlab/embedded/service/gitlab-rails/lib/tasks/gitlab/db.rake:48:in `block (3 levels) in <top (required)>'
+gitlab     | /opt/gitlab/embedded/bin/bundle:23:in `load'
+gitlab     | /opt/gitlab/embedded/bin/bundle:23:in `<main>'
+gitlab     | Tasks: TOP => gitlab:db:configure
+gitlab     | (See full trace by running task with --trace)
+gitlab     | STDERR: 
+gitlab     | ---- End output of "bash"  "/tmp/chef-script20200618-23-sfpkhu" ----
+gitlab     | Ran "bash"  "/tmp/chef-script20200618-23-sfpkhu" returned 1
+```
+
+### 问题解决
+
+在网上查了一些资料，说是新旧版本的配置格式不一致，需要删除之前的配置数据。幸好在本地保存了之前使用的镜像，打包该镜像后上传到服务器重新加载即可