diff --git a/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/EpcQrCodeResource.kt b/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/EpcQrCodeResource.kt
index 9cd343e..47dcfdb 100644
--- a/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/EpcQrCodeResource.kt
+++ b/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/EpcQrCodeResource.kt
@@ -1,9 +1,8 @@
 package net.codinux.banking.epcqrcode.rest
 
-import net.codinux.banking.epcqrcode.EpcQrCodeConfig
-import net.codinux.banking.epcqrcode.EpcQrCodeGenerator
 import net.codinux.banking.epcqrcode.rest.dto.GenerateEpcQrCodeRequest
 import net.codinux.banking.epcqrcode.rest.dto.GenerateEpcQrCodeResponse
+import net.codinux.banking.epcqrcode.rest.service.EpcQrCodeService
 import org.eclipse.microprofile.openapi.annotations.Operation
 import org.eclipse.microprofile.openapi.annotations.media.Content
 import org.eclipse.microprofile.openapi.annotations.media.Schema
@@ -12,6 +11,7 @@ import org.eclipse.microprofile.openapi.annotations.responses.APIResponse
 import org.eclipse.microprofile.openapi.annotations.tags.Tag
 import org.slf4j.LoggerFactory
 import java.util.*
+import javax.inject.Inject
 import javax.ws.rs.*
 import javax.ws.rs.core.MediaType
 import javax.ws.rs.core.Response
@@ -20,11 +20,10 @@ import javax.ws.rs.core.Response
 @Path("/epcqrcode/v1")
 @Produces(MediaType.APPLICATION_JSON)
 @Tag(name = "EPC QR Code")
-class EpcQrCodeResource {
-
-    protected val epcQrCodeGenerator = EpcQrCodeGenerator()
-
-    private val base64Encoder = Base64.getEncoder()
+class EpcQrCodeResource(
+    @Inject
+    private val service: EpcQrCodeService
+) {
 
     private val log = LoggerFactory.getLogger(EpcQrCodeResource::class.java)
 
@@ -52,31 +51,19 @@ class EpcQrCodeResource {
     }
 
     private fun handleJsonRequest(request: GenerateEpcQrCodeRequest): Response {
-        try {
-            val epcQrCode = epcQrCodeGenerator.generateEpcQrCode(mapToEpcQrCodeConfig(request), request.imageHeightAndWidth)
-            val qrCodeBytes = base64Encoder.encode(epcQrCode.bytes)
+        return try {
+            val qrCodeBytes = service.generateEpcQrCodeBase64Encoded(request)
 
-            return Response.ok(GenerateEpcQrCodeResponse(qrCodeBytes))
+            Response.ok(GenerateEpcQrCodeResponse(qrCodeBytes))
                 .header("Access-Control-Allow-Origin", "*")
                 .build()
         } catch (e: Exception) {
             log.error("Could not create QR code for $request", e)
 
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR.statusCode, e.localizedMessage) // TODO: it's almost always a bad idea to pass exception message to the outside
+            Response.status(Response.Status.INTERNAL_SERVER_ERROR.statusCode, e.localizedMessage) // TODO: it's almost always a bad idea to pass exception message to the outside
                 .header("Access-Control-Allow-Origin", "*")
                 .build()
         }
     }
 
-    private fun mapToEpcQrCodeConfig(dto: GenerateEpcQrCodeRequest): EpcQrCodeConfig {
-        return EpcQrCodeConfig(
-            dto.receiverName,
-            dto.iban,
-            dto.bic,
-            dto.amount,
-            dto.reference,
-            dto.noteToUser
-        )
-    }
-
 }
\ No newline at end of file
diff --git a/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/service/EpcQrCodeService.kt b/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/service/EpcQrCodeService.kt
new file mode 100644
index 0000000..61fe02c
--- /dev/null
+++ b/EpcQrCodeRest/src/main/kotlin/net/codinux/banking/epcqrcode/rest/service/EpcQrCodeService.kt
@@ -0,0 +1,32 @@
+package net.codinux.banking.epcqrcode.rest.service
+
+import net.codinux.banking.epcqrcode.EpcQrCodeConfig
+import net.codinux.banking.epcqrcode.EpcQrCodeGenerator
+import net.codinux.banking.epcqrcode.rest.dto.GenerateEpcQrCodeRequest
+import java.util.*
+import javax.enterprise.context.ApplicationScoped
+
+@ApplicationScoped
+class EpcQrCodeService {
+
+  private val epcQrCodeGenerator = EpcQrCodeGenerator()
+
+  private val base64Encoder = Base64.getEncoder()
+
+  fun generateEpcQrCodeBase64Encoded(request: GenerateEpcQrCodeRequest): ByteArray {
+    val epcQrCode = epcQrCodeGenerator.generateEpcQrCode(mapToEpcQrCodeConfig(request), request.imageHeightAndWidth)
+
+    return base64Encoder.encode(epcQrCode.bytes)
+  }
+
+  private fun mapToEpcQrCodeConfig(dto: GenerateEpcQrCodeRequest): EpcQrCodeConfig {
+    return EpcQrCodeConfig(
+      dto.receiverName,
+      dto.iban,
+      dto.bic,
+      dto.amount,
+      dto.reference,
+      dto.noteToUser
+    )
+  }
+}
\ No newline at end of file