add release env

rel/env.bat.eex

@@ -0,0 +1,8 @@
+@echo off
+rem Set the release to load code on demand (interactive) instead of preloading (embedded).
+rem set RELEASE_MODE=interactive
+
+rem Set the release to work across nodes.
+rem RELEASE_DISTRIBUTION must be "sname" (local), "name" (distributed) or "none".
+rem set RELEASE_DISTRIBUTION=name
+rem set RELEASE_NODE=<%= @release.name %>

rel/env.sh.eex

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# # Sets and enables heart (recommended only in daemon mode)
+# case $RELEASE_COMMAND in
+#   daemon*)
+#     HEART_COMMAND="$RELEASE_ROOT/bin/$RELEASE_NAME $RELEASE_COMMAND"
+#     export HEART_COMMAND
+#     export ELIXIR_ERL_OPTIONS="-heart"
+#     ;;
+#   *)
+#     ;;
+# esac
+
+# # Set the release to load code on demand (interactive) instead of preloading (embedded).
+# export RELEASE_MODE=interactive
+
+# # Set the release to work across nodes.
+# # RELEASE_DISTRIBUTION must be "sname" (local), "name" (distributed) or "none".
+# export RELEASE_DISTRIBUTION=name
+# export RELEASE_NODE=<%= @release.name %>
+
+# configure node for distributed erlang with IPV6 support
+export ERL_AFLAGS="-proto_dist inet6_tcp"
+export ECTO_IPV6="true"
+export RELEASE_DISTRIBUTION="name"
+export RELEASE_NODE="${FLY_APP_NAME}-${FLY_IMAGE_REF##*-}@${FLY_PRIVATE_IP}"

rel/remote.vm.args.eex

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+## Customize flags given to the VM: https://www.erlang.org/doc/man/erl.html
+## -mode/-name/-sname/-setcookie are configured via env vars, do not set them here
+
+## Increase number of concurrent ports/sockets
+##+Q 65536
+
+## Tweak GC to run more often
+##-env ERL_FULLSWEEP_AFTER 10

rel/vm.args.eex

@@ -0,0 +1,8 @@
+## Customize flags given to the VM: https://www.erlang.org/doc/man/erl.html
+## -mode/-name/-sname/-setcookie are configured via env vars, do not set them here
+
+## Increase number of concurrent ports/sockets
+##+Q 65536
+
+## Tweak GC to run more often
+##-env ERL_FULLSWEEP_AFTER 10