Fix docker-compose for publishing image (#91)

* Fix docker-compose for publishing image

* Add docker build in pr workflow

.github/workflows/on-pr.yaml

@@ -3,6 +3,13 @@ name: Docker Build
 on: [pull_request]
 
 jobs:
+  build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run docker build
+        run: make docker-build
   test:
     # Add a dummy job to avoid failing GitHub CI checks.
     # Other checks to be added later.

Makefile

@@ -115,7 +115,7 @@ import:
 ## Build docker image with schema
 .PHONY: docker-build
 docker-build:
-	docker-compose build
+	docker-compose -f docker-compose.test.yml build
 
 ## Build docker image for migration
 .PHONY: docker-concise-migration-build

docker-compose.test.yml

@@ -5,10 +5,9 @@ services:
     restart: on-failure
     depends_on:
       - ipld-eth-db
+    image: vulcanize/ipld-eth-db
     # Build image using local context
-    build:
+    build: .
-      context: .
-      dockerfile: Dockerfile
     environment:
       DATABASE_USER: "vdbm"
       DATABASE_NAME: "vulcanize_testing"