Add heroku deployment

Author: theSage21

Procfile

@@ -0,0 +1,2 @@
+web: python -m announce server
+worker: python -m announce bot

announce/__main__.py

@@ -1,16 +1,17 @@
+import os
 import argparse
 
 parser = argparse.ArgumentParser()
 parser.add_argument("cmd", choices=("server", "bot", "run"))
-parser.add_argument("--port", type=int, default=8080)
+parser.add_argument("--port", type=int, default=int(os.environ.get("PORT")))
 parser.add_argument("--fn", type=str, default=None)
 
 args = parser.parse_args()
 
 if args.cmd == "server":
     from announce.server import app
 
-    app.run(port=args.port, host="0.0.0.0", debug=True)
+    app.run(port=args.port, host="0.0.0.0", debug=True, server="gunicorn")
 elif args.cmd == "bot":
     from announce.bot import run
 

poetry.lock

@@ -19,6 +19,7 @@ bottle-tools = "^2019.12.22"
 sqlalchemy = "^1.3.17"
 psycopg2-binary = "^2.8.5"
 python-telegram-bot = "^12.7"
+gunicorn = "^20.0.4"
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.2"

pyproject.toml

@@ -0,0 +1 @@
+python-3.7.8