diff --git a/README.md b/README.md
index badb0721..91290450 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ For docker based development refer to this [README](development/README.md)
 
 This repository requires Docker, docker-compose and Git to be setup on the instance to be used.
 
+Docker basics and best practices. Refer Docker documentation.
+
 ### Cloning the repository and preliminary steps
 
 Clone this repository somewhere in your system:
@@ -38,7 +40,7 @@ cp env-example .env
 
 ### Setup Environment Variables
 
-To get started, copy the existing `env-example` file to `.env` inside the `installation` directory. By default, the file will contain the following variables:
+To get started, copy the existing `env-example` file to `.env`. By default, the file will contain the following variables:
 
 - `VERSION=edge`
     - In this case, `edge` corresponds to `develop`. To setup any other version, you may use the branch name or version specific tags. (eg. version-12, v11.1.15, v11)
@@ -53,12 +55,16 @@ To get started, copy the existing `env-example` file to `.env` inside the `insta
 - `LETSENCRYPT_EMAIL=your.email@your.domain.com`
     - Email for LetsEncrypt expiry notification. This is only required if you are setting up LetsEncrypt.
 
+Notes:
+
+- docker-compose-erpnext.yml and docker-compose-frappe.yml set `AUTO_MIGRATE` environment variable to `1`.
+- `AUTO_MIGRATE` checks if there is semver bump or git hash change in case of develop branch and automatically migrates the sites on container start up.
+- It is good practice to use image tag for specific version instead of latest. e.g `frappe-socketio:v12.5.1`, `erpnext-nginx:v12.7.1`.
 
 ### Local deployment for testing
 
 For trying out locally or to develop apps using ERPNext REST API port 80 must be published.
-The first command will start the containers; the second command will publish the port of the *-nginx container.
-
+Following command will start the needed containers and expose ports.
 
 For Erpnext:
 
diff --git a/build/common/commands/push_backup.py b/build/common/commands/push_backup.py
index 8cf2b484..d1e3803c 100644
--- a/build/common/commands/push_backup.py
+++ b/build/common/commands/push_backup.py
@@ -176,6 +176,10 @@ def main():
             folder = os.environ.get('BUCKET_DIR') + '/' + site + '/' + os.path.basename(db_file)[:15] + '/'
             upload_file_to_s3(db_file, folder, conn, bucket)
 
+            # Archive site_config.json
+            site_config_file = os.path.join(os.getcwd(), site, 'site_config.json')
+            upload_file_to_s3(site_config_file, folder, conn, bucket)
+
         public_files = details.get('public_files', {}).get('file_path')
         if public_files:
             folder = os.environ.get('BUCKET_DIR') + '/' + site + '/' + os.path.basename(public_files)[:15] + '/'
diff --git a/build/common/nginx-default.conf.template b/build/common/nginx-default.conf.template
index 076b2c42..f6e375fb 100644
--- a/build/common/nginx-default.conf.template
+++ b/build/common/nginx-default.conf.template
@@ -30,7 +30,7 @@ server {
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";
         proxy_set_header X-Frappe-Site-Name $host;
-        proxy_set_header Origin $scheme://$http_host;
+        proxy_set_header Origin $http_referer;
         proxy_set_header Host $http_host;
 
         proxy_pass http://socketio-server;
diff --git a/development/README.md b/development/README.md
index 9d421bf3..44ec78f4 100644
--- a/development/README.md
+++ b/development/README.md
@@ -116,20 +116,24 @@ bench --site mysite.localhost clear-cache
 
 To install an app we need to fetch it from the appropriate git repo, then install in on the appropriate site:
 
-You can check [VSCode container remote extension documentation](https://code.visualstudio.com/docs/remote/containers#_sharing-git-credentials-with-your-container) regarding git creedential sharing.
+You can check [VSCode container remote extension documentation](https://code.visualstudio.com/docs/remote/containers#_sharing-git-credentials-with-your-container) regarding git credential sharing.
+
+To install custom app
 
 ```shell
-bench get-app myapp https://github.com/myusername/myapp.git
+# --branch is optional, use it to point to branch on custom app repository
+bench get-app --branch version-12 myapp https://github.com/myusername/myapp.git
 bench --site mysite.localhost install-app myapp
 ```
 
-For example, to install ERPNext (from the master branch):
+To install ERPNext (from the version-12 branch):
 
 ```shell
-bench get-app erpnext https://github.com/frappe/erpnext.git
+bench get-app --branch version-12 erpnext https://github.com/frappe/erpnext.git
 bench --site mysite.localhost install-app erpnext
 ```
 
+Note: Both frappe and erpnext must be on branch with same name. e.g. version-12
 
 ### Start Frappe without debugging