fix: 👷 Fixing CI + Readme

Signed-off-by: Nishant Arora <[email protected]>

.github/workflows/docker.yml

@@ -26,6 +26,8 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+            platforms: linux/amd64
 
       - name: Docker meta
         id: meta

README.md

@@ -1 +1,35 @@
-# helia-docker
+# helia-docker
+
+Docker images for Helia.
+
+## Purpose
+
+This container image hosts helia in a node container. It implements [HTTP IPFS-gateway API](https://docs.ipfs.tech/concepts/ipfs-gateway/#gateway-types) and responds to the incoming requests using helia to fetch the content from IPFS.
+
+## Building
+
+```sh
+$ docker build . --tag helia
+```
+
+Pass the explicit platform when building on a Mac.
+
+```sh
+$ docker build . --tag helia --platform linux/arm64
+```
+
+Building with custom CMAKE flags.
+
+```sh
+$ docker build . --tag helia --build-arg CMAKE_CXX_FLAGS="..." --build-arg CMAKE_C_FLAGS="..."
+```
+
+## Running
+
+```sh
+$ docker run -it -p 8080:8080 helia
+```
+
+## Author
+
+- [whizzzkid](https://github.com/whizzzkid)