feat(ci): add docker builds for slinky sidecar and simapp (#174)

* feat(ci): add docker builds for slinky sidecar and simapp

* fix: syntax error in workflow

* fix: name

* fix: indentation

* fix: dir name

* fix: repo url

---------

Co-authored-by: Alex Johnson <alex@skip.money>

.github/workflows/build.yml

@@ -0,0 +1,60 @@
+name: Build Slinky docker images
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v.*"
+  pull_request:
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        image: [{file: "slinky.e2e.Dockerfile", name: "slinky-simapp"}, {file: "slinky.e2e.oracle.Dockerfile", name: "slinky-sidecar"}, {file: "slinky.local.Dockerfile", name: "slinky-testapp"}]
+    runs-on: ubuntu-latest
+    env:
+      registry_url: 494494944992.dkr.ecr.us-east-2.amazonaws.com/skip-mev/${{ matrix.image.name }}
+      repo_name: skip-mev/${{ matrix.image.name }}
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v1-node16
+        with:
+          aws-region: us-east-2
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v2 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Create ECR repository if it does not exist
+        run: |
+          aws ecr describe-repositories --region us-east-2 --repository-names $repo_name || aws ecr create-repository --repository-name $repo_name --region us-east-2
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            ${{ env.registry_url }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}.{{patch}}
+            type=semver,pattern={{major}}
+            type=sha,prefix=
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: "./contrib/images/${{ matrix.image.file }}"
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          push: true