diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..79bf5fc3
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,30 @@
+version: '3'
+
+services:
+  mysql:
+    image: 'mysql:latest'
+    ports:
+      - 9910:3306
+    environment:
+      - MYSQL_DATABASE=gorm
+      - MYSQL_USER=gorm
+      - MYSQL_PASSWORD=gorm
+      - MYSQL_RANDOM_ROOT_PASSWORD="yes"
+  postgres:
+    image: 'postgres:latest'
+    ports:
+      - 9920:5432
+    environment:
+      - POSTGRES_USER=gorm
+      - POSTGRES_DB=gorm
+      - POSTGRES_PASSWORD=gorm
+  mssql:
+    image: 'mcmoe/mssqldocker:latest'
+    ports:
+      - 9930:1433
+    environment:
+      - ACCEPT_EULA=Y
+      - SA_PASSWORD=LoremIpsum86
+      - MSSQL_DB=gorm
+      - MSSQL_USER=gorm
+      - MSSQL_PASSWORD=LoremIpsum86
diff --git a/main_test.go b/main_test.go
index 499324bc..83e6f7aa 100644
--- a/main_test.go
+++ b/main_test.go
@@ -36,27 +36,20 @@ func init() {
 }
 
 func OpenTestConnection() (db *gorm.DB, err error) {
+	dbDSN := os.Getenv("GORM_DSN")
 	switch os.Getenv("GORM_DIALECT") {
 	case "mysql":
-		// CREATE USER 'gorm'@'localhost' IDENTIFIED BY 'gorm';
-		// CREATE DATABASE gorm;
-		// GRANT ALL ON gorm.* TO 'gorm'@'localhost';
 		fmt.Println("testing mysql...")
-		dbhost := os.Getenv("GORM_DBADDRESS")
-		if dbhost != "" {
-			dbhost = fmt.Sprintf("tcp(%v)", dbhost)
+		if dbDSN == "" {
+			dbDSN = "gorm:gorm@tcp(localhost:9910)/gorm?charset=utf8&parseTime=True"
 		}
-		db, err = gorm.Open("mysql", fmt.Sprintf("gorm:gorm@%v/gorm?charset=utf8&parseTime=True", dbhost))
+		db, err = gorm.Open("mysql", dbDSN)
 	case "postgres":
 		fmt.Println("testing postgres...")
-		dbhost := os.Getenv("GORM_DBHOST")
-		if dbhost != "" {
-			dbhost = fmt.Sprintf("host=%v ", dbhost)
+		if dbDSN == "" {
+			dbDSN = "user=gorm password=gorm DB.name=gorm port=9920 sslmode=disable"
 		}
-		db, err = gorm.Open("postgres", fmt.Sprintf("%vuser=gorm password=gorm DB.name=gorm sslmode=disable", dbhost))
-	case "foundation":
-		fmt.Println("testing foundation...")
-		db, err = gorm.Open("foundation", "dbname=gorm port=15432 sslmode=disable")
+		db, err = gorm.Open("postgres", dbDSN)
 	case "mssql":
 		// CREATE LOGIN gorm WITH PASSWORD = 'LoremIpsum86';
 		// CREATE DATABASE gorm;
@@ -64,7 +57,10 @@ func OpenTestConnection() (db *gorm.DB, err error) {
 		// CREATE USER gorm FROM LOGIN gorm;
 		// sp_changedbowner 'gorm';
 		fmt.Println("testing mssql...")
-		db, err = gorm.Open("mssql", "sqlserver://gorm:LoremIpsum86@localhost:1433?database=gorm")
+		if dbDSN == "" {
+			dbDSN = "sqlserver://gorm:LoremIpsum86@localhost:9930?database=gorm"
+		}
+		db, err = gorm.Open("mssql", dbDSN)
 	default:
 		fmt.Println("testing sqlite3...")
 		db, err = gorm.Open("sqlite3", filepath.Join(os.TempDir(), "gorm.db"))
diff --git a/wercker.yml b/wercker.yml
index ff6fb17c..c3045c54 100644
--- a/wercker.yml
+++ b/wercker.yml
@@ -13,6 +13,14 @@ services:
           POSTGRES_USER: gorm
           POSTGRES_PASSWORD: gorm
           POSTGRES_DB: gorm
+    - name: mssql
+      id: mcmoe/mssqldocker:
+      env:
+        ACCEPT_EULA: Y
+        SA_PASSWORD: LoremIpsum86
+        MSSQL_DB: gorm
+        MSSQL_USER: gorm
+        MSSQL_PASSWORD: LoremIpsum86
 
 # The steps that will be executed in the build pipeline
 build:
@@ -45,9 +53,14 @@ build:
         - script:
                 name: test mysql
                 code: |
-                    GORM_DIALECT=mysql GORM_DBADDRESS=mariadb:3306 go test ./...
+                    GORM_DIALECT=mysql GORM_DSN=gorm:gorm@tcp(mariadb:3306)/gorm?charset=utf8&parseTime=True go test ./...
 
         - script:
                 name: test postgres
                 code: |
-                    GORM_DIALECT=postgres GORM_DBHOST=postgres go test ./...
+                    GORM_DIALECT=postgres GORM_DSN="host=postgres user=gorm password=gorm DB.name=gorm port=5432 sslmode=disable" go test ./...
+
+        - script:
+                name: test mssql
+                code: |
+                    GORM_DIALECT=mssql GORM_DSN="sqlserver://gorm:LoremIpsum86@mssql:1433?database=gorm" go test ./...