add gunicorn for running it "properly"

Pipfile

@@ -8,6 +8,7 @@ mattermostdriver = "*"
 flask = "*"
 pyyaml = "*"
 python-slugify = "*"
+gunicorn = "*"
 
 [dev-packages]
 

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "31eb45108631835f87cc03f5f2cd26b298bb72a2202f54e097e9a119a167e54b"
+            "sha256": "1dc0b95fc6afe46b7710e46f0e1c2bfd8d82cc2884e36128af6371384ea0adeb"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -45,6 +45,14 @@
             "index": "pypi",
             "version": "==1.0.2"
         },
+        "gunicorn": {
+            "hashes": [
+                "sha256:7ef2b828b335ed58e3b64ffa84caceb0a7dd7c5ca12f217241350dec36a1d5dc",
+                "sha256:bc59005979efb6d2dd7d5ba72d99f8a8422862ad17ff3a16e900684630dd2a10"
+            ],
+            "index": "pypi",
+            "version": "==19.8.1"
+        },
         "idna": {
             "hashes": [
                 "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",

README.md

@@ -1,3 +1,15 @@
+## Installation
+
+We are using [Pipenv](https://docs.pipenv.org) to make our lives easier:
+
+```sh
+git clone https://gitea.faelix.net/FAELIX/incident_handler.git
+cd incident_handler
+pipenv install --three
+```
+
+## Configuration
+
 Example `settings.cfg` file:
 
 ```python
@@ -22,3 +34,12 @@ PUBLIC_INCIDENT_PREFIX = "FI#"
 STATUS_PAGE_URL = "https://status.faelix.net/"
 INCIDENT_URL_SCHEME = STATUS_PAGE_URL + "event/%s/"
 ```
+
+## Running
+
+```sh
+export FIH_SETTINGS=~/incident_handler/settings.cfg
+export FLASK_APP=fih.py
+cd ~/incident_handler
+flask run -p 3333
+```