use gunicorn + update params

Author: mikespub

.env

@@ -1 +1,3 @@
 FLASK_PORT=5080
+FLASK_HOST=0.0.0.0
+HOST_PORT=5080

Dockerfile

@@ -9,7 +9,7 @@ ADD requirements.txt /app/requirements.txt
 RUN pip install -r requirements.txt
 
 # Copy our code from the current folder to /app inside the container
-ADD . /app
+ADD *.py /app/
 
 # Make port 5080 available for links and/or publish
 ENV FLASK_PORT 5080
@@ -20,4 +20,4 @@ ENV FLASK_HOST 0.0.0.0
 ENV NAME World
 
 # Define our command to be run when launching the container
-CMD ["python", "app.py"]
+CMD ["gunicorn", "-c", "guniconfig.py", "app:app"]

docker-compose.yml

@@ -6,9 +6,9 @@ services:
     links:
       - redis
     ports:
-      - "${FLASK_PORT}:5080"
+      - "${HOST_PORT}:${FLASK_PORT}"
     environment:
-      - FLASK_PORT=5080
-      - FLASK_HOST=0.0.0.0
+      - FLASK_PORT=${FLASK_PORT}
+      - FLASK_HOST=${FLASK_HOST}
   redis:
     image: redis

guniconfig.py

@@ -0,0 +1,4 @@
+# gunicorn configuration file
+import os
+
+bind = "%s:%s" % (os.getenv('FLASK_HOST', '0.0.0.0'), os.getenv('FLASK_PORT', 5080))

python-app.dockerapp/docker-compose.yml

@@ -5,7 +5,7 @@ services:
     links:
       - redis
     ports:
-      - "${FLASK_PORT}:5080"
+      - "${HOST_PORT}:${FLASK_PORT}"
     environment:
       - FLASK_PORT=${FLASK_PORT}
       - FLASK_HOST=${FLASK_HOST}

python-app.dockerapp/parameters.yml

@@ -1,2 +1,3 @@
 FLASK_PORT: 5080
 FLASK_HOST: 0.0.0.0
+HOST_PORT: 5080

requirements.txt

@@ -1,2 +1,3 @@
 Flask
-Redis
+redis
+gunicorn