Reduce number of worker per container.

From now on, it will be 1 worker for one container. This will let people
with a proper container orcherstration tool to use this project without
any tricks.

Author: funilrys

Dockerfile.pyfunceble-dev

@@ -6,6 +6,8 @@ ARG PYFUNCEBLE_VERSION=""
 ENV MODULE_NAME="pyfunceble_webworker.main"
 ENV PYFUNCEBLE_WORKERS_DATA_DIR=/data
 ENV BALANCED_PYFUNCEBLE_WORKERS=true
+ENV MAX_WORKERS=1
+ENV WEB_CONCURRENCY=1
 
 COPY . /app/app