feat: add additional config to the dockerfile (#71)

This adds to the dockerfile's config to automatically load additional
config from the environment

Dockerfile

@@ -6,7 +6,7 @@ COPY .github/workflows/constraints.txt /constraints.txt
 RUN pip install --upgrade --constraint /constraints.txt pip poetry
 COPY ./ /app
 WORKDIR /app
-RUN poetry build
+RUN rm -rf dist && poetry build
 
 from python:3.11-slim
 ARG ERRBOT_VERSION=6.2.0

docker/README.md

@@ -17,6 +17,9 @@ SUPPRESS_CMD_NOT_FOUND is set to true, this means the bot will just not respond
 
 BOT_PREFIX_OPTIONAL_ON_CHAT is set to true, this means that commands can be run with the prefix
 
+Any environment variable that is proceeded with "ERR_APRS_" will get added to the config automatically. For example "ERR_ARPS_FOO=bar" will result in `FOO="bar` in
+the errbot config
+
 ## Plugins
 
 Plugins can be added to /errbot/plugins or you can reconfigure the directory by setting BOT_PLUGIN_DIR

docker/config.py

@@ -56,6 +56,10 @@
 CORE_PLUGINS = (
     "ACLs",
     "CommandNotFoundFilter",
-    "VersionChecker",
-    "Webserver",
+    "VersionCheck" "Webserver",
 )
+
+for env_var, value in os.environ.items():
+    if env_var.startswith("ERR_APRS_"):
+        variable_name = env_var[len("ERR_APRS_") :].upper()
+        exec(f"{variable_name} = '{value}'")  # nosec b102 - exec used here intentionally