fix gh action syntax (#4)

* containerize w/ github action to build and push to ghcr

* fix gh action yml syntax

* enable manual trigger

* fix syntax

.github/workflows/astria-build-and-publish-image.yml

@@ -1,19 +1,21 @@
-build-and-publish-latest:
+name: Build and Publish Docker image
 on:
+  workflow_dispatch:
   push:
     branches:
       - astria # Running this job only for astria branch
+jobs:
+  build-and-publish-latest:
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v2 # Checking out the repo
       - uses: actions/setup-go@v4
         with:
-        go-version: "^1.20.x" # The Go version to download (if necessary) and use.
+          go-version: "^1.20.x" # The Go version to download (if necessary) and use.
       - run: go version
 
       - name: Log in to registry
-      run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
 
       # TODO - build for amd64 and arm64?
       - name: Build and Publish latest Docker image