s="kd-deploy-input-row kd-port-form-field"
          fxFlex="30"
        >
          <input
            matInput
            type="number"
            name="targetPort"
            formControlName="targetPort"
            i18n-placeholder
            placeholder="Target port"
            min="1"
            max="65535"
            (change)="checkPortMapping(i)"
            [required]="isFirst(i)"
          />
          <mat-error
            *ngIf="portMapping.get('targetPort').errors?.kdValidInteger"
     