Read airflow connection parameters properly
Read configuration json file properly even if it doesn't define all parameters
Add emit command to workflow_ctl
Add some example commands for emit message & register essence
Make docker-compose configuration files to allow communication between containers
Rework kickstarter as api_client does not work properly

Change-Id: I59d00bfe17027a7ab367e6acde6a9eaaed3b6937
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
new file mode 100644
index 0000000..3f14ec5
--- /dev/null
+++ b/docker/docker-compose.yml
@@ -0,0 +1,42 @@
+# Copyright Matthieu "Puckel_" Roisil (https://github.com/puckel)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# this file is copied from following link
+# https://github.com/puckel/docker-airflow/blob/master/docker-compose-LocalExecutor.yml
+
+version: '2.1'
+services:
+    postgres:
+        image: postgres:9.6
+        environment:
+            - POSTGRES_USER=airflow
+            - POSTGRES_PASSWORD=airflow
+            - POSTGRES_DB=airflow
+        ports:
+            - "5432:5432"
+
+    controller:
+        image: opencord/cord-workflow-controller:0.5.0
+        ports:
+            - "3030:3030"
+
+    airflow:
+        # image: opencord/cord-workflow-airflow
+        image: cord-workflow-airflow:0.5.0
+        restart: always
+        depends_on:
+            - postgres
+            - controller
+        ports:
+            - "8080:8080"