Add scheduler backend image workflow

docker-entrypoint.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+set -eu
+
+/app/api &
+api_pid="$!"
+
+/app/worker &
+worker_pid="$!"
+
+term() {
+  kill "$api_pid" "$worker_pid" 2>/dev/null || true
+  wait "$api_pid" "$worker_pid" 2>/dev/null || true
+}
+
+trap term INT TERM
+
+while :; do
+  if ! kill -0 "$api_pid" 2>/dev/null; then
+    wait "$api_pid" || true
+    term
+    exit 1
+  fi
+
+  if ! kill -0 "$worker_pid" 2>/dev/null; then
+    wait "$worker_pid" || true
+    term
+    exit 1
+  fi
+
+  sleep 2
+done