refs #23 Add entrypoint to set proper user permissions

.github/workflows/docker.yaml

@@ -37,6 +37,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
+          file: docker/Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile → docker/Dockerfile

@@ -22,7 +22,10 @@ WORKDIR /app
 RUN mkdir /downloads
 
 # Copy the pre-built binary file from the previous stage
-COPY --from=builder /app/manga-downloader .
+COPY --from=builder /app/manga-downloader /usr/bin/manga-downloader
+
+COPY /docker/entrypoint.sh /usr/bin/entrypoint.sh
+RUN chmod +x /usr/bin/entrypoint.sh
 
 # Set manga-downloader as the entrypoint
-ENTRYPOINT ["./manga-downloader", "-o", "/downloads"]
+ENTRYPOINT ["/usr/bin/entrypoint.sh", "-o", "/downloads"]

docker/entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# default user id and group id
+USER_ID=${USER_ID:-1000}
+GROUP_ID=${GROUP_ID:-1000}
+
+# execute the manga-downloader binary with all arguments passed to this script
+manga-downloader "$@"
+
+# Set ownership to USER_ID:GROUP_ID for /downloads
+chown -R ${USER_ID}:${GROUP_ID} /downloads