diff --git a/README.md b/README.md
index 7a977b0..4eeba8d 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ For more detailse refer the docs [here](https://navarasu.github.io/serverless-ru
 Using the custom configuration, the plugin can be utilized for below cases,
 * Using locally installed bundler for gems without any native extensions - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/basic) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_local_bundler)
 * Using Docker for gems with OS native C extensions or system libraries like `http`, `Nokogiri` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker)
-* Preinstall OS packages (yum packages) for gems which requires OS native system libraries like `pg`, `mysql`, `RMagick` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_with_yums)
+* Preinstall OS packages (yum packages) for gems which requires OS native system libraries like `pg`, `mysql`, `RMagick` - [PG ruby2.5 Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums-pg-ruby2.5) , [PG ruby2.7 Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums-pg-ruby2.7) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_with_yums)
 * Using Dockerfile for gems which with other OS Linux image or system libraries and utilities -  [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-file) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_file)
 * Include / Exclude specific functions from layer configuration - [Include Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/include-functions) , [Exclude Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/exclude-functions) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/include_exclude)
 * Exclude test and development related gems from layer  - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/exclude-dev-test-gems) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/exclude_dev_test_gems)
diff --git a/docs/home.md b/docs/home.md
index 5ce0a4f..8682211 100644
--- a/docs/home.md
+++ b/docs/home.md
@@ -79,7 +79,7 @@ For more detailse refer the docs [here](https://navarasu.github.io/serverless-ru
 Using the custom configuration, the plugin can be utilized for below cases,
 * Using locally installed bundler for gems without any native extensions - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/basic) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_local_bundler)
 * Using Docker for gems with OS native C extensions or system libraries like `http`, `Nokogiri` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker)
-* Preinstall OS packages (yum packages) for gems which requires OS native system libraries like `pg`, `mysql`, `RMagick` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_with_yums)
+* Preinstall OS packages (yum packages) for gems which requires OS native system libraries like `pg`, `mysql`, `RMagick` - [PG ruby2.5 Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums-pg-ruby2.5) , [PG ruby2.7 Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums-pg-ruby2.7) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_with_yums)
 * Using Dockerfile for gems which with other OS Linux image or system libraries and utilities -  [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-file) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_file)
 * Include / Exclude specific functions from layer configuration - [Include Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/include-functions) , [Exclude Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/exclude-functions) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/include_exclude)
 * Exclude test and development related gems from layer  - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/exclude-dev-test-gems) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/exclude_dev_test_gems)
diff --git a/docs/usage_examples/main.md b/docs/usage_examples/main.md
index a3a13cd..e4a3173 100644
--- a/docs/usage_examples/main.md
+++ b/docs/usage_examples/main.md
@@ -2,9 +2,11 @@
 ## Usage and Examples
 
 Using the custom configuration, the plugin can be utilized for below cases,
-* Using locally installed bundler for gems without any native extensions [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/basic) - [Docs](/use_local_bundler)
-* Using Docker for gems with C extensions or system libraries like `http`, `Nokogiri` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use_docker) - [Docs](use_docker)
-* Preinstall OS packages (yum packages) for gems which requires OS native system libraries like `pg`, `mysql`, `RMagick` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use_docker_with_yums) - [Docs](use_docker_with_yums)
-* Using Dockerfile for gems which requires other system libraries and configuration -  [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use_docker_file) - [Docs](use_docker_file)
+* Using locally installed bundler for gems without any native extensions - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/basic) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_local_bundler)
+* Using Docker for gems with OS native C extensions or system libraries like `http`, `Nokogiri` - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker)
+* Preinstall OS packages (yum packages) for gems which requires OS native system libraries like `pg`, `mysql`, `RMagick` - [PG ruby2.5 Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums-pg-ruby2.5) , [PG ruby2.7 Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-with-yums-pg-ruby2.7) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_with_yums)
+* Using Dockerfile for gems which with other OS Linux image or system libraries and utilities -  [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/use-docker-file) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/use_docker_file)
+* Include / Exclude specific functions from layer configuration - [Include Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/include-functions) , [Exclude Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/exclude-functions) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/include_exclude)
 * Exclude test and development related gems from layer  - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/exclude-dev-test-gems) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/exclude_dev_test_gems)
 * Using `Bundler.require(:default)` to require all gems in handler.rb by respecting Gemfile.lock  - [Example](https://github.com/navarasu/serverless-ruby-layer/blob/master/examples/bundler-require-all) - [Docs](https://navarasu.github.io/serverless-ruby-layer/#/bundler_require_all)
+
diff --git a/docs/usage_examples/use_docker_with_yums.md b/docs/usage_examples/use_docker_with_yums.md
index 75e8532..e5c7c5d 100644
--- a/docs/usage_examples/use_docker_with_yums.md
+++ b/docs/usage_examples/use_docker_with_yums.md
@@ -2,6 +2,7 @@
 
 ##  Preinstall yum packages for gems which requires OS native system libraries
 
+### Example to deploy pg using Ruby 2.7 
 
 <!-- tabs:start -->
 
@@ -20,10 +21,16 @@ custom:
       - postgresql-devel
     native_libs:
       - /usr/lib64/libpq.so.5
+      - /usr/lib64/libldap_r-2.4.so.2
+      - /usr/lib64/liblber-2.4.so.2
+      - /usr/lib64/libsasl2.so.3
+      - /usr/lib64/libssl3.so
+      - /usr/lib64/libsmime3.so
+      - /usr/lib64/libnss3.so
 
 provider:
   name: aws
-  runtime: ruby2.5
+  runtime: ruby2.7
 
 functions:
   hello:
@@ -54,6 +61,57 @@ end
 <!-- tabs:end -->
 
 
+### Example to deploy pg using Ruby 2.5 
+
+<!-- tabs:start -->
+
+#### ** serverless.yml **
+
+```yml
+service: using-docker-yums
+
+plugins:
+  - serverless-ruby-layer
+
+custom:
+  rubyLayer:
+    use_docker: true
+    docker_yums:
+      - postgresql-devel
+    native_libs:
+      - /usr/lib64/libpq.so.5
+
+provider:
+  name: aws
+  runtime: ruby2.5
+
+functions:
+  hello:
+    handler: handler.hello
+  ```
+
+#### ** Gemfile **
+
+```ruby
+source 'https://rubygems.org'
+gem 'pg'
+```
+
+#### ** handler.rb **
+
+```ruby
+require 'pg'
+
+def hello(event:, context:)
+  { statusCode: 200, body: {
+    "pg_version": PG.library_version
+    }
+  }
+end
+
+```
+
+<!-- tabs:end -->
 
 #### Checkout above Example here
 
@@ -61,13 +119,26 @@ end
 ```bash
   git clone https://github.com/navarasu/serverless-ruby.git
 ```
+*Ruby 2.7*
+
 ```bash
-  cd serverless-ruby/deploy_pg_gem
+  cd serverless-ruby/deploy_pg_gem_2.7
 
   sls plugin install -n serverless-ruby-layer
 
 ```
 
+*Ruby 2.5*
+
+```bash
+  cd serverless-ruby/deploy_pg_gem_2.5
+
+  sls plugin install -n serverless-ruby-layer
+
+```
+
+
+
 #### Deploy to AWS
 
 ```bash
@@ -81,4 +152,4 @@ Running `sls deploy` automatically deploys the required gems as in Gemfile to AW
 
 ```bash
  sls invoke -f hello
-```
\ No newline at end of file
+```