こんにちわ is wrong Japanse. The correct word is こんにちは

_example/simple/Dockerfile

@@ -33,7 +33,7 @@ RUN \
 RUN \
     # Smoke test
     set -o pipefail; \
-    /go/bin/simple | grep 99\ こんにちわ世界099
+    /go/bin/simple | grep 99\ こんにちは世界099
 
 # -----------------------------------------------------------------------------
 #  Main Stage

_example/simple/simple.go

@@ -37,7 +37,7 @@ func main() {
 	}
 	defer stmt.Close()
 	for i := 0; i < 100; i++ {
-		_, err = stmt.Exec(i, fmt.Sprintf("こんにちわ世界%03d", i))
+		_, err = stmt.Exec(i, fmt.Sprintf("こんにちは世界%03d", i))
 		if err != nil {
 			log.Fatal(err)
 		}