ci: Add protokit repo to Docker workflow and read deps from file

Author: xendarboh

.github/workflows/docker.yml

@@ -21,8 +21,8 @@ jobs:
     runs-on: ubuntu-latest
 
     env:
-      APPCHAIN_REF: main
       APPCHAIN_REPO: ${{ github.repository_owner }}/appchain
+      PROTOKIT_REPO: ${{ github.repository_owner }}/protokit
       IMAGE: ghcr.io/${{ github.repository_owner }}/appchain-agent
       IMAGE_TEST: zkn/appchain-agent
 
@@ -32,6 +32,12 @@ jobs:
         with:
           path: appchain-agent
 
+      - name: Read dependencies versions
+        run: |
+          source appchain-agent/deps.env
+          echo "APPCHAIN_REF=${APPCHAIN}" >> $GITHUB_ENV
+          echo "PROTOKIT_REF=${PROTOKIT}" >> $GITHUB_ENV
+
       - name: Checkout appchain repository
         uses: actions/checkout@v4
         with:
@@ -40,6 +46,13 @@ jobs:
           repository: ${{ env.APPCHAIN_REPO }}
           ssh-key: ${{ secrets.APPCHAIN_DEPLOY_KEY }}
 
+      - name: Checkout protokit repository
+        uses: actions/checkout@v4
+        with:
+          path: protokit
+          ref: ${{ env.PROTOKIT_REF }}
+          repository: ${{ env.PROTOKIT_REPO }}
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
@@ -78,6 +91,7 @@ jobs:
         with:
           build-contexts: |
             context-appchain=./appchain
+            context-protokit=./protokit
           cache-from: type=gha
           cache-to: type=gha,mode=max
           context: ./appchain-agent
@@ -92,6 +106,7 @@ jobs:
         with:
           build-contexts: |
             context-appchain=./appchain
+            context-protokit=./protokit
           context: ./appchain-agent
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

deps.env

@@ -0,0 +1,2 @@
+APPCHAIN=main
+PROTOKIT=zkn/main