docker: improved Dockerfile, changed logging

Now if you want to add something to the end of the description,
you can pass it via the addons parameter. Also moved a line
that was duplicated to reduce the function length.

Dockerfile

@@ -1,10 +1,19 @@
+# DiscoRSS Dockerfile
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 FROM python:3.13.2-alpine3.21
 
 WORKDIR /usr/src/app
 
 COPY discorss.py ./
-COPY discorss.conf /etc/
+RUN mkdir /root/.config
+RUN mkdir /root/.config/discorss
+COPY discorss.conf /root/.config/discorss
 
 RUN pip install --no-cache-dir requests feedparser
 
 CMD [ "python", "discorss.py" ]
+
+LABEL author="A.M. Rowsell <https://frzn.dev/~amr>"

discorss.py

@@ -8,7 +8,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # DiscoRSS: A simple RSS feed reader for Discord. Takes RSS feeds and then sends them to
-# webhooks. Intended to run using systemd timers.
+# webhooks. Intended to run using systemd timers, or as a Docker container.
 
 import requests
 import feedparser
@@ -53,7 +53,6 @@ def get_description(feed, length=250, min_length=150, addons=None):
                 break
             else:
                 length -= 1
-        desc = temporary_string[:length]
     except KeyError:
         temporary_string = str(feed["description"])
         temporary_string = html_filter.sub("", temporary_string)
@@ -62,7 +61,10 @@ def get_description(feed, length=250, min_length=150, addons=None):
                 break
             else:
                 length -= 1
-        desc = temporary_string[:length]
+
+    desc = temporary_string[:length]
+    if addons is not None:
+        desc = desc + str(addons)
     return desc
 
 
@@ -101,7 +103,7 @@ def setupPaths():
     logging.basicConfig(
         filename=str(log_dir + log_file_path),
         encoding="utf-8",
-        level=logging.INFO,
+        level=logging.WARNING,
         datefmt="%m/%d/%Y %H:%M:%S",
         format="%(asctime)s: %(levelname)s: %(message)s",
     )
@@ -136,7 +138,7 @@ def main():
             else:
                 continue
         if bad_time is True:
-            logger.warning(
+            logger.info(
                 "Feed %s doesn't supply a published time, using updated time instead",
                 hook["name"],
             )
@@ -210,9 +212,10 @@ def main():
 
 
 if __name__ == "__main__":
-    if os.environ["INVOCATION_ID"]:
+    try:
-        main()
+        if os.environ["INVOCATION_ID"]:
-    else:
+            main()
+    except KeyError:
         try:
             while True:
                 main()