Addd docker build workflow.

.github/workflows/docker-build.yml

@@ -0,0 +1,14 @@
+name: docker-build
+
+on: [push, pull_request]
+
+jobs:
+    tests:
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Clone and checkout branch
+              uses: actions/checkout@v2
+
+            - name: Build docker image
+              run: docker build -t test-tag .

.github/workflows/test.yml

@@ -1,5 +1,7 @@
-on: [push, pull_request]
 name: tests
+
+on: [push, pull_request]
+
 jobs:
     tests:
         runs-on: ubuntu-latest

Dockerfile

@@ -1,10 +1,5 @@
-
 FROM python:3.9
 
-WORKDIR /code
-
-COPY ./ /code
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
-
+COPY . .
 
-CMD ["make", "run"]
+RUN make deps