例えば、公式イメージの1つに<a href="https://hub.docker.com/_/python" class="external-link" target="_blank">Python Image</a>があります。

その他にも、データベースなどさまざまなイメージがあります：

* <a href="https://hub.docker.com/_/postgres" class="external-link" target="_blank">PostgreSQL</a>
* <a href="https://hub.docker.com/_/mysql" class="external-link" target="_blank">MySQL</a>
* <a href="https://hub.docker.com/_/mongo" class="external-link" target="_blank">MongoDB</a>

	case "mysql":
		log.Println("testing mysql...")
		if dbDSN == "" {
			dbDSN = mysqlDSN
		}
		db, err = gorm.Open(mysql.Open(dbDSN), cfg)
	case "postgres":
		log.Println("testing postgres...")
		if dbDSN == "" {
			dbDSN = postgresDSN
		}
		db, err = gorm.Open(postgres.New(postgres.Config{
			DSN:                  dbDSN,
			PreferSimpleProtocol: true,
		}), cfg)
	case "gaussdb":
		log.Println("testing gaussdb...")

import (
	"database/sql"
	"slices"
	"testing"
)

// TestPostgreSQLRegistration checks if postgres driver
// is registered and fails otherwise.
func TestPostgreSQLRegistration(t *testing.T) {
	var found bool
	if slices.Contains(sql.Drivers(), "postgres") {
		found = true
	}
	if !found {
		t.Fatal("postgres driver not registered")
	}
}

func TestPsqlTableNameValidation(t *testing.T) {

      /usr/local/bin/entrypoint.sh gaussdb &
      counter=1;
      while [ "$$counter" -le 20 ]; do
        if su - omm -c "gsql -U omm -d postgres -c \"SELECT 1;\""; then
          echo "Creating database gorm...";
          su - omm -c "gsql -U omm -d postgres -c \"CREATE DATABASE gorm DBCOMPATIBILITY '\'PG\'';\"";
          echo "Database initialized successfully";
          break;
        fi;

  postgres:
    strategy:
      matrix:
        dbversion: ['postgres:latest', 'postgres:15', 'postgres:14', 'postgres:13']
        go: ['1.24', '1.25']
        platform: [ubuntu-latest] # can not run in macOS and Windows
    runs-on: ${{ matrix.platform }}

    services:
      postgres:
        image: ${{ matrix.dbversion }}
        env:

	"github.com/google/uuid"
	"github.com/lib/pq"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	. "gorm.io/gorm/utils/tests"
)

func TestPostgresReturningIDWhichHasStringType(t *testing.T) {
	if DB.Dialector.Name() != "postgres" {
		t.Skip()
	}

	type Yasuo struct {
		ID        string `gorm:"default:gen_random_uuid()"`
		Name      string
		CreatedAt time.Time `gorm:"type:TIMESTAMP WITHOUT TIME ZONE"`

		t.Skip("skip sqlite, sqlserver due to it doesn't support multiple primary keys with auto increment")
	}

	if name := DB.Dialector.Name(); name == "postgres" {
		t.Skip("skip postgres due to it only allow unique constraint matching given keys")
	}
	if name := DB.Dialector.Name(); name == "gaussdb" {
		t.Skip("skip gaussdb due to it only allow unique constraint matching given keys")
	}

	}
}

func TestPostgresTableWithIdentifierLength(t *testing.T) {
	if DB.Dialector.Name() != "postgres" {
		return
	}

	type LongString struct {
		ThisIsAVeryVeryVeryVeryVeryVeryVeryVeryVeryLongString string `gorm:"unique"`
	}

	t.Run("default", func(t *testing.T) {
		db, _ := gorm.Open(postgres.Open(postgresDSN), &gorm.Config{})
		user, err := schema.Parse(&LongString{}, &sync.Map{}, db.Config.NamingStrategy)

	}

	db, err := OpenTestConnection(&gorm.Config{TranslateError: true})
	if err != nil {
		t.Fatalf("failed to connect database, got error %v", err)
	}

	dialectors := map[string]bool{"sqlite": true, "postgres": true, "gaussdb": true, "mysql": true, "sqlserver": true}
	if supported, found := dialectors[db.Dialector.Name()]; !(found && supported) {
		return
	}

	DB.Migrator().DropTable(&City{})

#!/bin/bash -e

dialects=("sqlite" "mysql" "postgres" "gaussdb" "sqlserver" "tidb")

if [[ $(pwd) == *"gorm/tests"* ]]; then
  cd ..
fi

if [ -d tests ]
then
  cd tests
  go get -u -t ./...
  go mod download
  go mod tidy
  cd ..
fi

# SqlServer for Mac M1
if [[ -z $GITHUB_ACTION && -d tests ]]; then
  cd tests
  if [[ $(uname -a) == *" arm64" ]]; then