diff --git a/docker-compose.yml b/docker-compose.yml
index 267d3c02..c98f4794 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,6 +15,7 @@ services:
       - "8000:8000"
     volumes:
       - "${PWD}:/app"
+      - /app/.tox
     command: gunicorn pyslackersweb:app_factory --access-logfile - --bind=0.0.0.0:8000 --worker-class=aiohttp.GunicornWebWorker --reload
 
   redis:
diff --git a/tox.ini b/tox.ini
index 8858642e..32390469 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,15 +4,15 @@ skipsdist = true
 
 [testenv]
 deps = -r requirements/testing.txt
-commands = python -m pytest --verbose --cov=pyslackersweb/ --cov-report=term-missing --junit-xml={envdir}/artifacts/test-results.xml
+commands = python -m pytest --verbose --cov=pyslackersweb/ --cov-report=term-missing --junit-xml={envdir}/artifacts/test-results.xml tests/
 
 [testenv:lint]
 deps =
     -r requirements/testing.txt
 commands =
-    pylint pyslackersweb
-    mypy . --ignore-missing-imports
+    pylint ./pyslackersweb
+    mypy ./pyslackersweb --ignore-missing-imports
 
 [testenv:fmt]
 deps = black
-commands = black --check .
+commands = black --check pyslackersweb/ tests/