diff --git a/.drone.yml b/.drone.yml
index 819da14..8e47526 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,4 +10,7 @@ steps:
     username:
       from_secret: docker_username
     password:
-      from_secret: docker_password
\ No newline at end of file
+      from_secret: docker_password
+- name: validate json good
+  image: fftdf/docker-json-validate
+  commands: "jsonlint test_val.json"
\ No newline at end of file
diff --git a/test_not_val.json b/test_not_val.json
new file mode 100644
index 0000000..806eb73
--- /dev/null
+++ b/test_not_val.json
@@ -0,0 +1,143 @@
+{
+    "devices":[
+      {
+        "name": "AM-01",
+        "mac": "18:e8:29:9c:90:ae",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122931927,
+          "latitude":50.818885422
+        }
+      }
+      {
+        "name": "AM-02",
+        "mac": "18:e8:29:9c:96:ba",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122777700,
+          "latitude":50.819022680
+        }
+      },
+      {
+        "name": "AM-03",
+        "mac": "18:e8:29:9c:9f:5c",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122780383,
+          "latitude":50.819123506
+        }
+      },
+      {
+        "name": "AM-04",
+        "mac": "18:e8:29:9c:9f:66",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122800499,
+          "latitude":50.819281945
+        }
+      },
+      {
+        "name": "AM-05",
+        "mac": "18:e8:29:9c:a3:40",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122950703,
+          "latitude":50.819309905
+        }
+      },
+      {
+        "name": "AM-06",
+        "mac": "18:e8:29:9c:a3:ac",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.123155892,
+          "latitude":50.819188745
+        }
+      },
+      {
+        "name": "AM-07",
+        "mac": "b4:fb:e4:10:22:26",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.123302072,
+          "latitude":50.819028611
+        }
+      },
+      {
+        "name": "Bahnhof Troisdorf - Ecke Bahnhof",
+        "mac": "e0:63:da:b0:92:99",
+        "gateway_nexthop": "18e829dcc37e",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.150242180,
+          "latitude":50.814274325
+        }
+      },
+      {
+        "name": "Bahnhof Troisdorf - Ecke Straße",
+        "mac": "74:83:c2:36:d7:ea",
+        "gateway_nexthop": "18e829dcc37e",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.150479555,
+          "latitude":50.814447186
+        }
+      },
+      {
+        "name": "Polizei - MeshPro Ost",
+        "mac": "78:8a:20:b0:8c:88",
+        "gateway_nexthop": "18e8295c534c",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.153409868,
+          "latitude":50.813643886
+        }
+      },
+      {
+        "name": "Rathaus-Nord",
+        "mac": "74:83:c2:96:56:c5",
+        "gateway_nexthop": "18e8292f7de6",
+        "linked_to": "18:e8:29:2f:7d:e6",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.147794664,
+          "latitude":50.817631439
+        }
+      },
+      {
+        "name": "Rathaus-Süd",
+        "mac": "74:83:c2:96:55:8d",
+        "gateway_nexthop": "18e8292f7de6",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.148724049,
+          "latitude":50.817368776
+        }
+      },
+      {
+        "name": "Am-Krausacker-2",
+        "mac": "18:e8:29:a0:6f:23",
+        "gateway_nexthop": "18e8292f7de6",
+        "gateway": "a28cae6ff604",
+        "domain": "unifi",
+        "location": {
+          "longitude":7.148406208,
+          "latitude":50.817093402
+        }
+      }
+    ]
+  }
\ No newline at end of file
diff --git a/test_val.json b/test_val.json
new file mode 100644
index 0000000..bacf1a2
--- /dev/null
+++ b/test_val.json
@@ -0,0 +1,143 @@
+{
+    "devices":[
+      {
+        "name": "AM-01",
+        "mac": "18:e8:29:9c:90:ae",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122931927,
+          "latitude":50.818885422
+        }
+      },
+      {
+        "name": "AM-02",
+        "mac": "18:e8:29:9c:96:ba",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122777700,
+          "latitude":50.819022680
+        }
+      },
+      {
+        "name": "AM-03",
+        "mac": "18:e8:29:9c:9f:5c",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122780383,
+          "latitude":50.819123506
+        }
+      },
+      {
+        "name": "AM-04",
+        "mac": "18:e8:29:9c:9f:66",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122800499,
+          "latitude":50.819281945
+        }
+      },
+      {
+        "name": "AM-05",
+        "mac": "18:e8:29:9c:a3:40",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.122950703,
+          "latitude":50.819309905
+        }
+      },
+      {
+        "name": "AM-06",
+        "mac": "18:e8:29:9c:a3:ac",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.123155892,
+          "latitude":50.819188745
+        }
+      },
+      {
+        "name": "AM-07",
+        "mac": "b4:fb:e4:10:22:26",
+        "gateway_nexthop": "18e82924170a",
+        "gateway": "a28cae6ff604",
+        "linked_to": "18:e8:29:24:17:0a",
+        "location": {
+          "longitude":7.123302072,
+          "latitude":50.819028611
+        }
+      },
+      {
+        "name": "Bahnhof Troisdorf - Ecke Bahnhof",
+        "mac": "e0:63:da:b0:92:99",
+        "gateway_nexthop": "18e829dcc37e",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.150242180,
+          "latitude":50.814274325
+        }
+      },
+      {
+        "name": "Bahnhof Troisdorf - Ecke Straße",
+        "mac": "74:83:c2:36:d7:ea",
+        "gateway_nexthop": "18e829dcc37e",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.150479555,
+          "latitude":50.814447186
+        }
+      },
+      {
+        "name": "Polizei - MeshPro Ost",
+        "mac": "78:8a:20:b0:8c:88",
+        "gateway_nexthop": "18e8295c534c",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.153409868,
+          "latitude":50.813643886
+        }
+      },
+      {
+        "name": "Rathaus-Nord",
+        "mac": "74:83:c2:96:56:c5",
+        "gateway_nexthop": "18e8292f7de6",
+        "linked_to": "18:e8:29:2f:7d:e6",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.147794664,
+          "latitude":50.817631439
+        }
+      },
+      {
+        "name": "Rathaus-Süd",
+        "mac": "74:83:c2:96:55:8d",
+        "gateway_nexthop": "18e8292f7de6",
+        "gateway": "a28cae6ff604",
+        "location": {
+          "longitude":7.148724049,
+          "latitude":50.817368776
+        }
+      },
+      {
+        "name": "Am-Krausacker-2",
+        "mac": "18:e8:29:a0:6f:23",
+        "gateway_nexthop": "18e8292f7de6",
+        "gateway": "a28cae6ff604",
+        "domain": "unifi",
+        "location": {
+          "longitude":7.148406208,
+          "latitude":50.817093402
+        }
+      }
+    ]
+  }
\ No newline at end of file