diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index def3f50..1d76444 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -13,10 +13,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ master ]
+    branches: [ main ]
   schedule:
     - cron: '39 16 * * 1'
 
@@ -48,11 +48,11 @@ jobs:
         # If you wish to specify custom queries, you can do so here or in a config file.
         # By default, queries listed here will override any specified in a config file.
         # Prefix the list here with "+" to use these queries and those in the config file.
-        
+
         # Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
         # queries: security-extended,security-and-quality
 
-        
+
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
@@ -61,7 +61,7 @@ jobs:
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
 
-    #   If the Autobuild fails above, remove it and uncomment the following three lines. 
+    #   If the Autobuild fails above, remove it and uncomment the following three lines.
     #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
 
     # - run: |
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 76801ce..e62f864 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -1,15 +1,15 @@
-name: Master branch workflow
+name: Main branch workflow
 
 on:
   push:
     branches:
-      - master
+      - main
     paths-ignore:
       - '**.md'
 
   pull_request:
     branches:
-      - master
+      - main
     paths-ignore:
       - '**.md'
 
@@ -41,11 +41,6 @@ jobs:
       - name: Check code modifications
         run: git diff --exit-code
 
-#      - name: Coveralls
-#        uses: coverallsapp/github-action@master
-#        with:
-#          github-token: ${{ secrets.GITHUB_TOKEN }}
-
   build:
     name: Build
     needs: test
diff --git a/.gitignore b/.gitignore
index 4862560..1086bf5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,8 @@ vendor/
 .idea
 
 # this project executable
-aws_cloudwatch_exporter
\ No newline at end of file
+aws_cloudwatch_exporter
+
+.vscode/configurationCache.log
+.vscode/dryrun.log
+.vscode/targets.log
diff --git a/README.md b/README.md
index 64f4d2e..a6a0fd0 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # aws_cloudwatch_exporter
 
-![Master branch workflow](https://github.com/slashdevops/aws_cloudwatch_exporter/workflows/Master%20branch%20workflow/badge.svg?branch=master)
+![Main branch workflow](https://github.com/slashdevops/aws_cloudwatch_exporter/workflows/main%20branch%20workflow/badge.svg?branch=main)
 [![Go Report Card](https://goreportcard.com/badge/github.com/slashdevops/aws_cloudwatch_exporter)](https://goreportcard.com/report/github.com/slashdevops/aws_cloudwatch_exporter)
 ![Docker Pulls](https://img.shields.io/docker/pulls/slashdevops/aws-cloudwatch-exporter)
 
@@ -11,11 +11,11 @@ This exporter used the [AWS CloudWatch GetMetricsData API call](https://docs.aws
 * [cloudwatch-getmetricdata-api](https://aws.amazon.com/premiumsupport/knowledge-center/cloudwatch-getmetricdata-api/)
 * [Amazon CloudWatch pricing](https://aws.amazon.com/cloudwatch/pricing/?nc1=h_ls)
 
-**WARNING**: 
+**WARNING**:
 
 * The use of this exporter could be expensive, this need be used taking care.
 
-**NOTES**: 
+**NOTES**:
 
 * When you use [AWS CloudWatch GetMetricsData API call](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_GetMetricData.html) with 1 request you can get 500 metrics a time, so
 read the links above before use it.
@@ -49,7 +49,7 @@ More information at [metrics.md](docs/metrics.md)
 #### Docker
 
 Using your own `~/.aws` configuration in local
- 
+
 ```bash
 docker run --rm \
     -i \
@@ -61,18 +61,18 @@ docker run --rm \
     -v ~/.aws:/home/nobody/.aws:ro \
     -e "AWS_SDK_LOAD_CONFIG=true" \
     -e "AWS_PROFILE=slashdevops" \
-    slashdevops/aws-cloudwatch-exporter-linux-amd64:develop metrics get --metricsFiles /home/nobody/m1.yaml --outFile /home/nobody/tmp/out.yaml 
+    slashdevops/aws-cloudwatch-exporter-linux-amd64:develop metrics get --metricsFiles /home/nobody/m1.yaml --outFile /home/nobody/tmp/out.yaml
 ```
 
 Check the result
 
 ```bash
-cat /tmp/out.yaml 
+cat /tmp/out.yaml
 ```
 
 #### Binary
 
-If you download the binary from releases 
+If you download the binary from releases
 
 ```bash
 AWS_SDK_LOAD_CONFIG="true" \
@@ -94,4 +94,4 @@ This software is released under the APACHE LICENSE, VERSION 2.0:
 
 ## Author Information
 
-* [Christian González Di Antonio](https://github.com/christiangda)
\ No newline at end of file
+* [Christian González Di Antonio](https://github.com/christiangda)