Use wget instead of curl, closes #3020 (#3022)

Author: josevalim

rel/server/env.sh.eex

@@ -18,7 +18,7 @@ else
       export LIVEBOOK_NODE="${FLY_APP_NAME}-${deployment}@${FLY_PRIVATE_IP}"
     fi
   elif [ "$LIVEBOOK_CLUSTER" = "auto" ] && [ ! -z "$ECS_CONTAINER_METADATA_URI" ]; then
-    metadata="$(curl --silent $ECS_CONTAINER_METADATA_URI)"
+    metadata="$(wget --quiet --output-document=- $ECS_CONTAINER_METADATA_URI)"
     machine_ip="$(echo $metadata | $RELEASE_ROOT/bin/livebook eval 'IO.read(:stdio, :eof) |> JSON.decode!() |> Map.fetch!("Networks") |> hd() |> Map.fetch!("IPv4Addresses") |> hd() |> IO.write()')"
     image_id="$(echo $metadata | $RELEASE_ROOT/bin/livebook eval 'IO.read(:stdio, :eof) |> JSON.decode!() |> Map.fetch!("ImageID") |> IO.write()')"