fix(ci): move docker build to post stage

Jenkinsfile

@@ -6,8 +6,12 @@ pipeline {
                 sh 'cargo build'
             }
         }
-	stage('docker') {
+    }
-	    steps {
+
+    post {
+	success {
+	    archiveArtifacts artifacts: 'target/debug/telegram-leetbot', fingerprint: true
+
 	    echo 'Starting docker image build'
 
 	    script {
@@ -15,11 +19,4 @@ pipeline {
 	    }
 	}
     }
-    }
-
-    post {
-	success {
-	    archiveArtifacts artifacts: 'target/debug/telegram-leetbot', fingerprint: true
-	}
-    }
 }