Avoid failure on ARM

Dockerfile

@@ -1,7 +1,8 @@
 ARG UPSTREAM_VERSION
 FROM nethermind/nethermind:${UPSTREAM_VERSION}
 
-RUN apt update && apt install -y curl
+# curl install throws error in ARM64 arch. It should not prevent build
+RUN apt update && apt install -y curl || true
 
 COPY /security /security
 COPY entrypoint.sh /usr/local/bin/entrypoint.sh

entrypoint.sh

@@ -27,9 +27,14 @@ case "$_DAPPNODE_GLOBAL_CONSENSUS_CLIENT_MAINNET" in
   ;;
 esac
 
-# Print the jwt to the dappmanager
-JWT=$(cat $JWT_PATH)
-curl -X POST "http://my.dappnode/data-send?key=jwt&data=${JWT}"
+# Check if curl is installed (not installed in ARM64 arch)
+if command -v curl >/dev/null 2>&1; then
+  # Print the jwt to the dappmanager
+  JWT=$(cat $JWT_PATH)
+  curl -X POST "http://my.dappnode/data-send?key=jwt&data=${JWT}"
+else
+  echo "curl is not installed in ARM64 arch. Skipping the JWT post to package info."
+fi
 
 exec /nethermind/nethermind \
   --JsonRpc.Enabled=true \