Add a healthcheck (#11)

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"log/slog"
 	"net/http"
 
@@ -10,6 +11,10 @@ import (
 func main() {
 	http.HandleFunc("/workbench/check", handlers.CheckMyWork)
 	http.HandleFunc("/workbench/transform", handlers.TransformCsv)
+	http.HandleFunc("/healthcheck", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		fmt.Fprintln(w, "OK")
+	})
 
 	slog.Info("Starting server on :8080")
 	if err := http.ListenAndServe(":8080", nil); err != nil {

scripts/download-transform.sh

@@ -26,8 +26,16 @@ else
   exit 1
 fi
 
-nohup ./fabricator -server=1 &
+nohup ./fabricator &
 echo $! > fabricator_pid.txt
+while true; do
+  STATUS=$(curl -s -w '%{http_code}' -o /dev/null http://localhost:8080/healthcheck)
+  if [ "${STATUS}" -eq 200 ]; then
+    break
+  fi
+  echo "Waiting for fabricator to come online"
+  sleep 1
+done
 
 # make sure the sheet passes the check my work
 STATUS=$(curl -v \