Apply suggestions from code review

Co-authored-by: Cody Robibero <cody@robibe.ro>

Dockerfile

@@ -90,4 +90,4 @@ ENTRYPOINT ["./jellyfin/jellyfin", \
     "--ffmpeg", "/usr/lib/jellyfin-ffmpeg/ffmpeg"]
 
 HEALTHCHECK --interval=30s --timeout=30s --start-period=10s --retries=3 \
-     CMD curl -L "${HEALTHCHECK_URL}" || exit 1
+     CMD curl -Lk "${HEALTHCHECK_URL}" || exit 1

Dockerfile.arm

@@ -81,4 +81,4 @@ ENTRYPOINT ["./jellyfin/jellyfin", \
     "--ffmpeg", "/usr/lib/jellyfin-ffmpeg/ffmpeg"]
 
 HEALTHCHECK --interval=30s --timeout=30s --start-period=10s --retries=3 \
-     CMD curl -L "${HEALTHCHECK_URL}" || exit 1
+     CMD curl -Lk "${HEALTHCHECK_URL}" || exit 1

Dockerfile.arm64

@@ -72,4 +72,4 @@ ENTRYPOINT ["./jellyfin/jellyfin", \
     "--ffmpeg", "/usr/bin/ffmpeg"]
 
 HEALTHCHECK --interval=30s --timeout=30s --start-period=10s --retries=3 \
-     CMD curl -L "${HEALTHCHECK_URL}" || exit 1
+     CMD curl -Lk "${HEALTHCHECK_URL}" || exit 1