Rework(docker,config): Expect all config vars to be supplied as env variables

- When using the docker setup, the image now expects to get all config variables as environment variables

Dockerfile

@@ -19,6 +19,7 @@ ENV PYTHONPATH "${PYTHONPATH}:/srv/src"
 # Create default config
 
 COPY ./config/sample/gunicorn/sample-docker.gunicorn.conf.py /srv/config/gunicorn.conf.py
+COPY ./config/sample/sample-docker.engine-api.ini /srv/config/engine-api.ini
 
 # Start the API Server
 

config/sample/sample-docker.engine-api.ini

@@ -5,19 +5,21 @@
 
 
 [database]
-# Use 'postgresql', 'sqlite' or 'mysql'. In case of SQLite the "db_name" is the name of the file.
+# Use 'postgresql' or 'mysql'
 db_type="postgresql"
-db_name="aura_engine_api"
-db_user="aura_engine_api"
-db_pass="---SECRET--PASSWORD---"
-db_host="localhost"
+db_name="${ENGINE_API_DB_NAME}"
+db_user="${ENGINE_API_DB_USER}"
+db_pass="${ENGINE_API_DB_PASS}"
+db_host="engine-api-postgres"
 db_charset="utf8"
 
 [monitoring]
 logdir="./logs"
 # possible values: debug, info, warning, error, critical
-loglevel="info"
-debug_flask="false"
+# default is info
+loglevel="${ENGINE_API_LOG_LEVEL}"
+# default is false
+debug_flask="${ENGINE_API_DEBUG_FLASK}"
 
 [api]
 api_port=8008
@@ -25,7 +27,8 @@ api_cors="*"
 
 [federation]
 
-enable_federation="false"
+#default is false
+enable_federation="${ENGINE_API_ENABLE_FEDERATION}"
 
 # Defines the engine number id for identification of record sources. Default values are:
 #
@@ -43,7 +46,8 @@ enable_federation="false"
 
 # NODE 1
 host_id=1
-sync_host="http://localhost:8010"
+#default is http://localhost:8010
+sync_host="${ENGINE_API_SYNC_HOST}"
 
 # NODE 2
 ; host_id=2
@@ -62,4 +66,4 @@ sync_host="http://localhost:8010"
 sync_api_get_playlog="/api/v1/playlog"
 sync_api_store_playlog="/api/v1/playlog/store"
 sync_api_store_healthlog="/api/v1/source/health"
-sync_api_store_clockinfo="/api/v1/clock"
+sync_api_store_clockinfo="/api/v1/clock"
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