Heroku one-click deploy

Including work around for Heroku's broken interpretation of entrypoint

Dockerfile

@@ -7,4 +7,5 @@ RUN pip3 install --no-cache-dir /app[full] gunicorn
 
 USER 1000:1000
 
-ENTRYPOINT ["/app/docker-entry.sh"]
+ENTRYPOINT ["/bin/sh", "/app/docker-entry.sh"]
+CMD ["run"]

README.md

@@ -92,6 +92,10 @@ Then execute
 docker-compose build --no-cache --pull
 ```
 
+Using Heroku free tier:
+
+[Deploy to Heroku](https://heroku.com/deploy?template=https://github.com/pictuga/morss)
+
 ## Run
 
 morss will auto-detect what "mode" to use.

app.json

@@ -0,0 +1,17 @@
+{
+    "stack": "container",
+    "env": {
+        "CACHE": {
+            "value": "diskcache",
+            "required": false
+        },
+        "CACHE_SIZE": {
+            "value": "1073741824",
+            "required": false
+        },
+        "DEBUG": {
+            "value": "1",
+            "required": false
+        }
+    }
+}

docker-entry.sh

@@ -1,7 +1,7 @@
 #! /bin/sh
 
-if [ ! -z "$1" ]; then
-	morss $@
+if [ -z "$1" ] || [ "$@" = "run" ]; then
+	gunicorn --bind 0.0.0.0:${PORT:-8000} -w 4 --preload --access-logfile - morss
 else
-	gunicorn --bind 0.0.0.0:8000 -w 4 --preload --access-logfile - morss
+	morss $@
 fi