introduce the concept of a local dev environment

.docker-compose/Dockerfile

@@ -10,6 +10,8 @@ RUN python -m pip install sqspy
 RUN mkdir /app
 WORKDIR /app
 
+ENV LOCAL_DEV True
+
 # Bundle app source
 COPY . /app
 

app/lib/application_configs.py

@@ -9,3 +9,4 @@ class ApplicationConfigs():
     sqs_queue           = os.environ.get('SQS_QUEUE', '')
     endpoint_url        = os.environ.get('ENDPOINT_URL', '')
     s3_processed_bucket = os.environ.get('S3_PROCESSED_BUCKET', 'measure-local-solver-processed')
+    local_dev_env       = os.environ.get('LOCAL_DEV', False) == 'True'