前端技术之：PrismaDemo服务部署过程记录

安装前提条件：

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1、已经安装了docker运行环境

2、以下命令执行记录发生在MackBook环境

3、已经安装了PostgreSQL（我使用的是11版本）

4、Node开发运行环境可以正常工作

首先需要通过Node包管理器安装Prisma工具：

npm install -g prisma

然后，创建并初始化prisma项目：

prisma init prisma-study

? Set up a new Prisma server or deploy to an existing server? (Use arrow keys)

                        

  You can set up Prisma for local development (based on docker-compose)

❯ Use existing database      Connect to existing database

  Create new database        Set up a local database using Docker

                        

  Or deploy to an existing Prisma server:

  Demo server                Hosted demo environment incl. database (requires login)

  Use other server           Manually provide endpoint of a running Prisma server

选择使用已存在的数据库（Use existing database）后，回车确认选择。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to?

  MySQL             MySQL compliant databases like MySQL or MariaDB

❯ PostgreSQL        PostgreSQL database

移动上下箭头键盘按键，选择PostgreSQL后，再次回车确认选择。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? (Use arrow keys)

❯ No

  Yes (experimental - Prisma migrations not yet supported)

  

Warning: Introspecting databases with existing data is currently an experimental feature. If you find any issues, please report them here: https://github.co

m/prisma/prisma/issues

提示是否在选择的数据库中包含已存在数据。因为是一个新库，所以默认选择No，然后回车确认。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host (localhost)

输入数据库的主机地址（注意，因为prisma会运行在docker中，所以，这儿需要配置宿主机IP，在类Linux系统上可以通过ifconfig命令来获取IP）。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.111.152.242

? Enter database port (5432)

回车确认使用默认的Postgres数据库的端口。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.xxx.xxx.xxx（此处为你的docker宿主机IP）

? Enter database port 5432

? Enter database user

输入数据库的用户名后回车确认。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.xxx.xxx.xxx（此处为你的docker宿主机IP）

? Enter database port 5432

? Enter database user postgres

? Enter database password

输入数据库用户对应的密码后回车确认。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.xxx.xxx.xxx（此处为你的docker宿主机IP）

? Enter database port 5432

? Enter database user postgres

? Enter database password study

? Enter database name

输入使用的数据库名称后回车。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.xxx.xxx.xxx（此处为你的docker宿主机IP）

? Enter database port 5432

? Enter database user postgres

? Enter database password study

? Enter database name study

? Use SSL? (Y/n)

提示是否使用安全的网络协议，这里选择不使用（输入n后回车）。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.xxx.xxx.xxx（此处为你的docker宿主机IP）

? Enter database port 5432

? Enter database user postgres

? Enter database password study

? Enter database name study

? Use SSL? No

Connecting to database 18ms

? Select the programming language for the generated Prisma client

  Prisma TypeScript Client

  Prisma Flow Client

❯ Prisma JavaScript Client

  Prisma Go Client

  Don't generate

这里选择产生JavaScript客户端脚本（Prisma JavaScript Client）。

? Set up a new Prisma server or deploy to an existing server? Use existing database

? What kind of database do you want to deploy to? PostgreSQL

? Does your database contain existing data? No

? Enter database host 10.xxx.xxx.xxx（此处为你的docker宿主机IP）

? Enter database port 5432

? Enter database user postgres

? Enter database password study

? Enter database name study

? Use SSL? No

Connecting to database 18ms

? Select the programming language for the generated Prisma client Prisma JavaScript Client

Created 3 new files:                                                                          

  prisma.yml          Prisma service definition

  datamodel.prisma    GraphQL SDL-based datamodel (foundation for database)

  docker-compose.yml  Docker configuration file

Next steps:

  1. Open folder: cd prisma-study

  2. Start your Prisma server: docker-compose up -d

  3. Deploy your Prisma service: prisma deploy

  4. Read more about Prisma server:

     http://bit.ly/prisma-server-overview

Generating schema... 20ms

Saving Prisma Client (JavaScript) at /Users/chunrong.liu/dev/study/prisma-study/generated/prisma-client/

至此，Prisma项目创建并初始化完毕。

接下来按昭Next steps下面的步骤提示执行后续操作。

通过以下命令切换当前目录至刚创建的项目目录（prisma-study）中。

cd prisma-study/

通过docker编排命令在docker中运行prisma服务器。

docker-compose up -d

执行后命令行提示如下：

Creating prisma-study_prisma_1 … done

此时服务运行成功。

通过以下命令部署prisma服务。

$ prisma deploy

Creating stage default for service default ✔

Deploying service `default` to stage `default` to server `local` 476ms

Changes:

  User (Type)

  + Created type `User`

  + Created field `id` of type `GraphQLID!`

  + Created field `name` of type `String!`

  + Created field `updatedAt` of type `DateTime!`

  + Created field `createdAt` of type `DateTime!`

Applying changes 1.2s

Your Prisma GraphQL database endpoint is live:

  HTTP:  http://localhost:4466

  WS:    ws://localhost:4466

用流程器打开http://localhost:4466/链接地址，可以看到如下的UI界面。

运行如下命令可以看到演练数据：

$ prisma playground

Serving playground at http://localhost:3000/playground

此时会自动打开浏览器，并显示如下界面：

关于数据库无法连接的问题：

https://blog.csdn.net/liuchunming033/article/details/44810899

官方参考资料地址：

https://www.prisma.io/docs/quickstart/

分享标题：前端技术之：PrismaDemo服务部署过程记录
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