fix: proper parsing of environment variables

utils/environment.go

@@ -0,0 +1,14 @@
+package utils
+
+import (
+	"log"
+	"os"
+)
+
+func LookupFatal(key string) string {
+	v, ok := os.LookupEnv(key)
+	if !ok {
+		log.Fatalf("missing env variable '%s'", key)
+	}
+	return v
+}