diff --git a/schemas/com.snowplowanalytics.dataflowrunner/ClusterConfig/avro/1-2-0 b/schemas/com.snowplowanalytics.dataflowrunner/ClusterConfig/avro/1-2-0
new file mode 100644
index 000000000..20e8e671a
--- /dev/null
+++ b/schemas/com.snowplowanalytics.dataflowrunner/ClusterConfig/avro/1-2-0
@@ -0,0 +1,312 @@
+{
+  "namespace": "com.snowplowanalytics.dataflowrunner",
+  "name": "ClusterConfig",
+  "type": "record",
+  "fields": [
+    {
+      "name": "name",
+      "type": "string"
+    },
+      "name": "releaseLabel",
+      "type": "string"
+    },
+    {
+      "name": "logUri",
+      "type": "string"
+    },
+    {
+      "name": "region",
+      "type": "string"
+    },
+    {
+      "name": "credentials",
+      "type": {
+        "name": "CredentialsRecord",
+        "type": "record",
+        "fields": [
+          {
+            "name": "accessKeyId",
+            "type": "string"
+          },
+          {
+            "name": "secretAccessKey",
+            "type": "string"
+          }
+        ]
+      }
+    },
+    {
+      "name": "roles",
+      "type": {
+        "name": "RolesRecord",
+        "type": "record",
+        "fields": [
+          {
+            "name": "jobflow",
+            "type": "string"
+          },
+          {
+            "name": "service",
+            "type": "string"
+          }
+        ]
+      }
+    },
+    {
+      "name": "ec2",
+      "type": {
+        "name": "Ec2Record",
+        "type": "record",
+        "fields": [
+          {
+            "name": "amiVersion",
+            "type": "string"
+          },
+          {
+            "name": "keyName",
+            "type": "string"
+          },
+          {
+            "name": "location",
+            "type": {
+              "name": "LocationRecord",
+              "type": "record",
+              "fields": [
+                {
+                  "name": "classic",
+                  "type": [{
+                    "name": "ClassicRecord",
+                    "type": "record",
+                    "fields": [
+                      {
+                        "name": "availabilityZone",
+                        "type": "string"
+                      }
+                    ]
+                  }, "null"]
+                },
+                {
+                  "name": "vpc",
+                  "type": [{
+                    "name": "VPCRecord",
+                    "type": "record",
+                    "fields": [
+                      {
+                        "name": "subnetId",
+                        "type": "string"
+                      }
+                    ]
+                  }, "null"]
+                }
+              ]
+            }
+          },
+          {
+            "name": "instances",
+            "type": {
+              "name": "InstancesRecord",
+              "type": "record",
+              "fields": [
+                {
+                  "name": "master",
+                  "type": {
+                    "name": "MasterRecord",
+                    "type": "record",
+                    "fields": [
+                      {
+                        "name": "type",
+                        "type": "string"
+                      },
+                      {
+                        "name": "ebsConfiguration",
+                        "type": [{
+                          "name": "EbsConfigurationRecord",
+                          "type": "record",
+                          "fields": [
+                            {
+                              "name": "ebsOptimized",
+                              "type": "boolean"
+                            },
+                            {
+                              "name": "ebsBlockDeviceConfigs",
+                              "type": {
+                                "type": "array",
+                                "items": {
+                                  "name": "EbsBlockDeviceConfigRecord",
+                                  "type": "record",
+                                  "fields": [
+                                    {
+                                      "name": "volumesPerInstance",
+                                      "type": "long"
+                                    },
+                                    {
+                                      "name": "volumeSpecification",
+                                      "type": {
+                                        "name": "VolumeSpecificationRecord",
+                                        "type": "record",
+                                        "fields": [
+                                          {
+                                            "name": "iops",
+                                            "type": "long"
+                                          },
+                                          {
+                                            "name": "sizeInGB",
+                                            "type": "long"
+                                          },
+                                          {
+                                            "name": "volumeType",
+                                            "type": "string"
+                                          }
+                                        ]
+                                      }
+                                    }
+                                  ]
+                                }
+                              }
+                            }
+                          ]
+                        }, "null"]
+                      }
+                    ]
+                  }
+                },
+                {
+                  "name": "core",
+                  "type": {
+                    "name": "CoreRecord",
+                    "type": "record",
+                    "fields": [
+                      {
+                        "name": "type",
+                        "type": "string"
+                      },
+                      {
+                        "name": "count",
+                        "type": "long"
+                      },
+                      {
+                        "name": "ebsConfiguration",
+                        "type": [ "EbsConfigurationRecord", "null" ]
+                      }
+                    ]
+                  }
+                },
+                {
+                  "name": "task",
+                  "type": {
+                    "name": "TaskRecord",
+                    "type": "record",
+                    "fields": [
+                      {
+                        "name": "type",
+                        "type": "string"
+                      },
+                      {
+                        "name": "count",
+                        "type": "long"
+                      },
+                      {
+                        "name": "bid",
+                        "type": "string"
+                      },
+                      {
+                        "name": "ebsConfiguration",
+                        "type": [ "EbsConfigurationRecord", "null" ]
+                      }
+                    ]
+                  }
+                }
+              ]
+            }
+          }
+        ]
+      }
+    },
+    {
+      "name": "tags",
+      "type": [{
+        "type": "array",
+        "items": {
+          "name": "TagsRecord",
+          "type": "record",
+          "fields": [
+            {
+              "name": "key",
+              "type": "string"
+            },
+            {
+              "name": "value",
+              "type": "string"
+            }
+          ]
+        }
+      }, "null"]
+    },
+    {
+      "name": "bootstrapActionConfigs",
+      "type": [{
+        "type": "array",
+        "items": {
+          "name": "BootstrapActionConfigsRecord",
+          "type": "record",
+          "fields": [
+            {
+              "name": "name",
+              "type": "string"
+            },
+            {
+              "name": "scriptBootstrapAction",
+              "type": {
+                "name": "ScriptBootstrapActionRecord",
+                "type": "record",
+                "fields": [
+                  {
+                    "name": "args",
+                    "type": {
+                      "type": "array",
+                      "items": "string"
+                    }
+                  },
+                  {
+                    "name": "path",
+                    "type": "string"
+                  }
+                ]
+              }
+            }
+          ]
+        }
+      }, "null"]
+    },
+    {
+      "name": "configurations",
+      "type": [{
+        "type": "array",
+        "items": {
+          "name": "ConfigurationRecord",
+          "type": "record",
+          "fields": [
+            {
+              "name": "classification",
+              "type": "string"
+            },
+            {
+              "name": "properties",
+              "type": {
+                "type": "map",
+                "values": "string"
+              }
+            }
+          ]
+        }
+      }, "null"]
+    },
+    {
+      "name": "applications",
+      "type": [{
+        "type": "array",
+        "items": "string"
+      }, "null"]
+    }
+  ]
+}