diff --git a/rel/env.sh.eex b/rel/env.sh.eex
new file mode 100755
index 00000000..e7edaecb
--- /dev/null
+++ b/rel/env.sh.eex
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+if [ -n "$FLY_APP_NAME" ]; then
+  export DNS_CLUSTER_QUERY="${FLY_APP_NAME}.internal"
+  export RELEASE_NODE="${FLY_APP_NAME}-${FLY_IMAGE_REF##*-}@${FLY_PRIVATE_IP}"
+  # configure node for distributed erlang with IPV6 support
+  export ERL_AFLAGS="-proto_dist inet6_tcp"
+  export ECTO_IPV6="true"
+fi
+
+export RELEASE_DISTRIBUTION="name"
+
+# Uncomment to send crash dumps to stderr
+# This can be useful for debugging, but may log sensitive information
+# export ERL_CRASH_DUMP=/dev/stderr
+# export ERL_CRASH_DUMP_BYTES=4096
+
+# when not running on fly.io, use a sensible default
+export RELEASE_NODE="${RELEASE_NODE:-<%= @release.name %>@$(hostname)}"