The next step would be defining the

DATABASE_URL

environment variable for your project in your deployment provider for your API.

version: '3'
services:
  prisma:
    image: prismagraphql/prisma:1.34
    restart: always
    ports:
      - '4466:4466'
    environment:
      PRISMA_CONFIG: |
        port: 4466
        managementApiSecret: abcdef
        databases:
          default:
            connector: mysql
            host: mysql
            port: 3306
            user: root
            password: abcdef
            rawAccess: true
  mysql:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: abcdef
    volumes:
      - mysql:/var/lib/mysql
volumes:
  mysql: ~

...
PRISMA_SECRET="prismasecret"
...
DB_ENDPOINT="<http://localhost:4466>"
...
PRISMA_MANAGEMENT_API_SECRET="ah791lejgh"
...
PRISMA_CLOUDSESSION_KEY=""
...
# This text is inserted by `prisma init`:
# Environment variables declared in this file are automatically made available to Prisma.
# See the documentation for more detail: <https://pris.ly/d/prisma-schema#using-environment-variables>
# Prisma supports the native connection string format for PostgreSQL, MySQL and SQLite.
# See the documentation for all the connection string options: <https://pris.ly/d/connection-strings>
DATABASE_URL="<mysql://root:ah791lejgh@localhost:3306/default@default>"JWT_SECRET="secret"
...

DB_ENDPOINT

DATABASE_URL

PROJECT_ROOT/src/generated/prisma-client/index.js

"prisma-client-lib": "^1.34.12",
        "prisma1": "^1.34.12",

prisma1 export

Unzipping 10561ms
Uncaught exception, cleaning up: Error: Object {...,"onboarding":"plan",...} has the following unknown properties: onboarding
Validating data ✖

databases:
          default:
            connector: mysql
            host: mysql
            port: 3306
            user: root
            password: abcdef
            rawAccess: true

Afaik Prisma 1 Cloud only hosts the Prisma 1 server, but not actually your DB