Migrate to pipenv and Github actions

.coveragerc

@@ -0,0 +1,2 @@
+[run]
+relative_files = True

.github/workflows/test.yml

@@ -0,0 +1,58 @@
+name: Run tests
+
+on:
+  push:
+    branches:
+      - "master"
+  pull_request:
+    branches:
+      - "master"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["3.9"]
+        django-version: ["3.2"]
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+
+      - name: Set Up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Display Python version
+        run: python -c "import sys; print(sys.version)"
+
+      - name: Install dependecies
+        uses: VaultVulp/action-pipenv@v2.0.1
+        with:
+          command: install --dev
+
+      - name: Install Django
+        run: pip install -q Django~=${{ matrix.django-version }}
+
+      - name: Test
+        uses: VaultVulp/action-pipenv@v2.0.1
+        with:
+          command: run coverage-test
+
+      - name: Coveralls
+        uses: AndreMiras/coveralls-python-action@develop
+        with:
+          parallel: true
+          flag-name: Unit Test
+
+  coveralls_finish:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: Coveralls Finished
+      uses: AndreMiras/coveralls-python-action@develop
+      with:
+        parallel-finished: true

Makefile

@@ -9,7 +9,7 @@ test: clean
 	@./manage.py test
 
 install:
-	@pip install -r dev_requirements.txt
+	@pipenv install --dev
 
 patch:
 	@$(eval BUMP := 'patch')

Pipfile

@@ -0,0 +1,21 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+
+[dev-packages]
+django-thumbor = {editable = true, path = "."}
+bumpversion = "*"
+coverage = "*"
+coveralls = "*"
+django-nose = "*"
+mock = "*"
+
+[requires]
+python_version = "3.9"
+
+[scripts]
+test = "make test"
+coverage-test = "./manage.py test --with-coverage"