Add linux/arm64 build (#32)

.github/workflows/main.yml

@@ -43,7 +43,7 @@ jobs:
         with:
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}

README.md

@@ -14,6 +14,7 @@ An example agent that uses IOTA for persisted storage and exposes the CQA (Commi
   - [Supported:](#supported)
   - [Limitations:](#limitations)
     - [A possible solution to deal with these limitations is provided as an example here](#a-possible-solution-to-deal-with-these-limitations-is-provided-as-an-example-here)
+- [Platform Support](#platform-support)
 - [Getting Help](#getting-help)
 - [Getting Involved](#getting-involved)
 
@@ -81,6 +82,10 @@ Given the current implementation of the example agent, there are a few limitatio
   - This example agent uses lowdb which is local
     - Option to use a different db with multi-node access controls
 
+## Platform Support
+
+Currently, we provide pre-built container images for linux amd64 and arm64 architectures via our Github Actions Pipeline. Find the images [here](https://hub.docker.com/r/dbomproject/iota-agent)
+
 ## Getting Help
 
 If you have any queries on iota-agent, feel free to reach us on any of our [communication channels](https://github.com/DBOMproject/community/blob/master/COMMUNICATION.md)