diff --git a/.gitignore b/.gitignore
index 9f11b75..0605c3d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 .idea/
+redoc-static.html
+oengus-docs.json
diff --git a/Dockerfile b/Dockerfile
index fd40dc7..f22dfdf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,11 +5,10 @@ WORKDIR /redoc
 
 RUN npm -g install redoc-cli
 COPY template.hbs ./
-RUN redoc-cli bundle https://oengus.io/api/v2/api-docs -t template.hbs
+RUN redoc-cli build https://oengus.io/api/v3/api-docs -t template.hbs
 RUN ls -hal
 
 
-
 # 2. serve html with nginx
 FROM alpine:latest
 WORKDIR /var/www/html
diff --git a/README.md b/README.md
index 69c7d16..5c9ebda 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,12 @@
 # Oengus documentation
 Served at https://docs.oengus.io/
+
+# Development
+
+```sh
+# Either use this
+npx @redocly/openapi-cli preview-docs http://localhost:8080/v3/api-docs -p 8000
+# Or do this instead and use your own http server
+npm -g install redoc-cli
+redoc-cli build http://localhost:8080/v3/api-docs -t template.hbs
+```
diff --git a/template.hbs b/template.hbs
index 5f65226..0aad461 100644
--- a/template.hbs
+++ b/template.hbs
@@ -8,8 +8,8 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <style>
             body {
-            padding: 0;
-            margin: 0;
+                padding: 0;
+                margin: 0;
             }
         </style>
         {{{redocHead}}}