[DOP-23743] All hardcoded passwords in this repo are used ONLY for tests

Author: dolfinus

.env

@@ -3,7 +3,6 @@ TZ=UTC
 # ClickHouse
 CH_HOST=localhost
 CH_PORT=8123
-CH_PORT_CLIENT=9001
 CH_DATABASE=spark
 CH_USER=spark
 CH_PASSWORD=123UsedForTestOnly@!

.github/workflows/tests_clickhouse.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       clickhouse:
-        image: clickhouse/clickhouse-server
+        image: clickhouse/clickhouse-server:latest-alpine
         env:
           TZ: UTC
           CLICKHOUSE_DB: spark

src/test/scala/io/github/mtsongithub/doetl/sparkdialectextensions/clickhouse/ClickhouseFixture.scala

@@ -11,20 +11,18 @@ trait ClickhouseFixture extends BeforeAndAfterEach { self: Suite =>
 
   val jdbcHostname: String = dotenv.get("CH_HOST")
   val jdbcPort: String = dotenv.get("CH_PORT")
-  val jdbcPortClient: String = dotenv.get("CH_PORT_CLIENT")
   val database: String = dotenv.get("CH_DATABASE")
   val jdbcUser: String = dotenv.get("CH_USER")
   val jdbcPassword: String = dotenv.get("CH_PASSWORD")
   var tableName: String = _
   val jdbcUrl: String = s"jdbc:clickhouse://$jdbcHostname:${jdbcPort}/$database"
 
-  val connectionProps = new java.util.Properties()
   var connection: Connection = _
 
   override def beforeEach(): Unit = {
     super.beforeEach()
     tableName = Random.alphanumeric.take(10).mkString
-    connection = DriverManager.getConnection(jdbcUrl, connectionProps)
+    connection = DriverManager.getConnection(jdbcUrl, jdbcUser, jdbcPassword)
   }
 
   def setupTable(tableSchema: String, engine: String = "TinyLog"): Unit = {