diff --git a/.mise.toml b/.mise.toml
index 203fc5f..ba7833e 100644
--- a/.mise.toml
+++ b/.mise.toml
@@ -1,3 +1,3 @@
 [env]
 ANSIBLE_INVENTORY = "{{config_root}}/inventory.ini"
-ANSIBLE_VAULT_PASSWORD_FILE = "{{config_root}}/vault.pass"
\ No newline at end of file
+ANSIBLE_VAULT_PASSWORD_FILE = "{{config_root}}/vault.pass"
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..13698a1
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,8 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+      - id: check-yaml
+        args: [--unsafe]
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
diff --git a/playbooks/apps/goatcounter.yaml b/playbooks/apps/goatcounter.yaml
index 306833e..fc0fe06 100644
--- a/playbooks/apps/goatcounter.yaml
+++ b/playbooks/apps/goatcounter.yaml
@@ -66,4 +66,4 @@
       3662343162643033380a326161313036643835636562636165356464393236303533303435353365
       36336163313338346235396565363631366564393562326536353262363637653432643830663532
       30356133383335653330613965623261323531613131663437363430636565393262353565326132
-      323830313235313462633335333763363161
\ No newline at end of file
+      323830313235313462633335333763363161