Set up basic CI

.drone.yml

@@ -25,13 +25,12 @@ steps:
       # Check formatting
       - mix format --check-formatted
       # Wait for postgres to become available
-      # TODO: pg_isready is not installed in the elixir image
-      # - |
-      #   for i in {1..20}; do
-      #     pg_isready -h postgres -p $DATABASE_PORT && break
-      #     sleep 2
-      #   done
-      #   echo "Postgres did not become available, aborting"
-      #   exit 1
+      - |
+        for i in {1..20}; do
+          pg_isready -h postgres -p $DATABASE_PORT && break
+          sleep 2
+        done
+        echo "Postgres did not become available, aborting"
+        exit 1
       # Run tests
       - mix test