Update Dockerfile to run process as non-privileged user. (#3709)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index e81d9d0c270e39ca90a08c00584a0b32892177d8..02c2e572c9e7c69f4744ca7b3836c3eec1ba191e 100644 (file)
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -37,4 +37,9 @@ RUN apk add --no-cache libpq
 # Copy resources
 COPY --from=builder /app/lemmy_server /app/lemmy
 
+# Create non-privileged user
+RUN adduser -h /app -s sh -S -u 1000 lemmy
+RUN chown -R lemmy /app
+USER lemmy
+
 CMD ["/app/lemmy"]