diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1607fde
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+# Scripts executados dentro do contêiner Linux precisam de LF, independente do
+# core.autocrlf da máquina que faz o checkout. CRLF quebra o `#!/bin/sh`.
+*.sh text eol=lf
diff --git a/.github/scripts/async-journey.sh b/.github/scripts/async-journey.sh
old mode 100644
new mode 100755
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
old mode 100644
new mode 100755