chore(docker): Introduce RECYCLARR_CREATE_CONFIG env var

If enabled, will invoke `recyclarr create-config` on startup of the
container if the `/config/recyclarr.yml` file does not exist.

CHANGELOG.md

@@ -22,6 +22,8 @@ changes you need to make.
 - Named instances are now supported in configuration YAML.
 - New optional setting `repository.git_path` may be used to specify the path to a `git` executable.
   If not used, `PATH` will be searched.
+- Docker: New `RECYCLARR_CREATE_CONFIG` environment variable which, if set to `true`, will
+  automatically create `/config/recyclarr.yml` on container start up. Default is `false`.
 
 ### Changed
 

docker/Dockerfile

@@ -16,7 +16,8 @@ FROM mcr.microsoft.com/dotnet/runtime:7.0-alpine AS final
 # Required by environment and/or dotnet
 ENV PATH="${PATH}:/app/recyclarr" \
     RECYCLARR_APP_DATA=/config \
-    CRON_SCHEDULE="@daily"
+    CRON_SCHEDULE="@daily" \
+    RECYCLARR_CREATE_CONFIG=false
 
 RUN set -ex; \
     apk add --no-cache bash tzdata supercronic git; \

docker/scripts/prod/entrypoint.sh

@@ -1,6 +1,12 @@
 #!/usr/bin/env bash
 set -e
 
+config=/config/recyclarr.yml
+if [[ "$RECYCLARR_CREATE_CONFIG" = true && ! -f "$config" ]]; then
+  echo "Creating default recyclarr.yml file..."
+  recyclarr create-config
+fi
+
 # If the script has any arguments, invoke the CLI instead
 if [ "$#" -gt 0 ]; then
     recyclarr "$@"