Switch htpasswd to use a secret

deploy/kubernetes/atst-nginx-configmap.yml

@@ -5,8 +5,6 @@ metadata:
   name: atst-nginx
   namespace: atat
 data:
-  htpasswd: |
-    atat:$apr1$D9ZQ6.AS$BwgIHxTMbRQsv4LbbAGAT/
   nginx-config: |-
     server {
         server_name www.atat.codes atat.codes;

deploy/kubernetes/atst.yml

@@ -92,8 +92,8 @@ spec:
               path: dhparam.pem
               mode: 0640
         - name: nginx-htpasswd
-          configMap:
-            name: atst-nginx
+          secret:
+            secretName: atst-nginx-htpasswd
             items:
             - key: htpasswd
               path: .htpasswd