Refine ddev config

.ddev/commands/db/README.txt

@@ -0,0 +1,16 @@
+Scripts in this directory will be executed inside the db
+container. A number of environment variables are supplied to the scripts, including:
+
+DDEV_APPROOT: file system location of the project on the host)
+DDEV_HOST_DB_PORT: Localhost port of the database server
+DDEV_HOST_WEBSERVER_PORT: Localhost port of the webserver
+DDEV_HOST_HTTPS_PORT: Localhost port for https on webserver
+DDEV_DOCROOT: Relative path from approot to docroot
+DDEV_HOSTNAME: Comma-separated list of FQDN hostnames
+DDEV_PHP_VERSION
+DDEV_WEBSERVER_TYPE: nginx-fpm, apache-fpm, apache-cgi
+DDEV_PROJECT_TYPE: drupal8, typo3, backdrop, wordpress, etc.
+DDEV_ROUTER_HTTP_PORT: Router port for http
+DDEV_ROUTER_HTTPS_PORT: Router port for https
+
+More environment variables may be available, see https://github.com/drud/ddev/blob/52c7915dee41d4846f9f619520b726994c0372c5/pkg/ddevapp/ddevapp.go#L1006-L1030

.ddev/commands/db/mysql

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+#!/bin/bash
+
+## #ddev-generated
+## Description: run mysql client in db container
+## Usage: mysql [flags] [args]
+## Example: "ddev mysql" or "ddev mysql -uroot -proot" or "echo 'SHOW TABLES;' | ddev mysql"
+## `ddev mysql --database=mysql -uroot -proot` gets you to the 'mysql' database with root privileges
+
+mysql -udb -pdb $@

.ddev/commands/db/mysqldump.example

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+#!/bin/bash
+
+## #ddev-generated
+## Description: run mysqldump in web container
+## Usage: mysqldump [flags] [args]
+## Example: "ddev mysqldump db" or "ddev mysqldump otherdb" or "ddev mysqldump db | gzip >db.sql.gz"
+
+mysqldump -uroot -proot $@