Feature/set image source label in Dockerfile (#3477)

* Set image source label in Dockerfile

* Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Set the image source label in `Dockerfile`
+
 ### Changed
 
 - Upgraded `angular` from version `17.3.10` to `18.0.2`

Dockerfile

@@ -51,6 +51,9 @@ RUN yarn database:generate-typings
 
 # Image to run, copy everything needed from builder
 FROM node:18-slim
+
+LABEL org.opencontainers.image.source="https://github.com/ghostfolio/ghostfolio"
+
 RUN apt update && apt install -y \
     curl \
     openssl \