diff --git a/.circleci/config.yml b/.circleci/config.yml
old mode 100644
new mode 100755
index a8449e45..bfd4689a
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,89 +1,51 @@
-version: 2
-jobs:
-  build:
-    docker:
-      - image: nikolaik/python-nodejs:python2.7-nodejs11
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "VERSION.md" }}
-      - run:
-          name: Install npm dependencies
-          command: npm install
-      - run:
-          name: Build code
-          command: npm run build:prod
-      - run:
-          name: Install python dependencies
-          command: pip install -e .
-      - save_cache:
-          paths:
-            - node_modules
-            - mopidy_iris
-          key: v1-dependencies-{{ checksum "VERSION.md" }}
-  test:
-    docker:
-      - image: nikolaik/python-nodejs:python2.7-nodejs11
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "VERSION.md" }}
-      - run:
-          name: Run tests
-          command: npm run test
-  deploy:
-    docker:
-      - image: nikolaik/python-nodejs:python2.7-nodejs11
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "VERSION.md" }}
-      - run:
-          name: Prepare .pypirc
-          command: |
-            echo -e "[distutils]" >> ~/.pypirc
-            echo -e "index-servers =" >> ~/.pypirc
-            echo -e " pypi" >> ~/.pypirc
-            echo -e "[distutils]" >> ~/.pypirc
-            echo -e "[pypi]" >> ~/.pypirc
-            echo -e "username = jaedb" >> ~/.pypirc
-            echo -e "password = $PYPI_PASSWORD" >> ~/.pypirc
-      - run:
-          name: Create and distribute package to pypi
-          command: python setup.py sdist upload -r pypi
+version: 2.1
+
+orbs:
+  codecov: codecov/codecov@1.0.5
+
 workflows:
   version: 2
-  build_and_test:
+  test:
     jobs:
-      - build:
-          filters:
-            branches:
-              only: deploy/test
-      - test:
-          requires:
-            - build
-          filters:
-            branches:
-              only: deploy/test
-  build_test_and_deploy:
-    jobs:
-      - build:
-          filters:
-            branches:
-              only: deploy/release
-      - test:
-          requires:
-            - build
-          filters:
-            branches:
-              only: deploy/release
-      - deploy:
-          requires:
-            - build
-            - test
-          filters:
-            branches:
-              only: deploy/release
\ No newline at end of file
+      - py38
+      - py37
+      - black
+      - check-manifest
+      - flake8
+
+jobs:
+  py38: &test-template
+    docker:
+      - image: mopidy/ci-python:3.8
+    steps:
+      - checkout
+      - restore_cache:
+          name: Restoring tox cache
+          key: tox-v1-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.cfg" }}
+      - run:
+          name: Run tests
+          command: |
+            tox -e $CIRCLE_JOB -- \
+              --junit-xml=test-results/pytest/results.xml \
+              --cov-report=xml
+      - save_cache:
+          name: Saving tox cache
+          key: tox-v1-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.cfg" }}
+          paths:
+            - ./.tox
+            - ~/.cache/pip
+      - codecov/upload:
+          file: coverage.xml
+      - store_test_results:
+          path: test-results
+
+  py37:
+    <<: *test-template
+    docker:
+      - image: mopidy/ci-python:3.7
+
+  black: *test-template
+
+  check-manifest: *test-template
+
+  flake8: *test-template
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100755
index 00000000..bff16e03
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,17 @@
+[build-system]
+requires = ["setuptools >= 30.3.0", "wheel"]
+
+
+[tool.black]
+target-version = ["py37", "py38"]
+line-length = 80
+
+
+[tool.isort]
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+line_length = 88
+known_tests = "tests"
+sections = "FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,TESTS,LOCALFOLDER"
diff --git a/setup.cfg b/setup.cfg
index 72e00c0f..7b385871 100755
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,85 @@
-[wheel]
-universal = 1
-
 [metadata]
-description-file = README.md
\ No newline at end of file
+name = Mopidy-Iris
+version = 3.0.0
+url = https://github.com/jaedb/mopidy-iris
+author = James Barnsley
+author_email = james@barnsley.nz
+license = Apache License, Version 2.0
+license_file = LICENSE
+description = Fully-featured Mopidy frontend client
+long_description = file: README.rst
+classifiers =
+    Environment :: No Input/Output (Daemon)
+    Intended Audience :: End Users/Desktop
+    License :: OSI Approved :: Apache Software License
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Topic :: Multimedia :: Sound/Audio :: Players
+
+
+[options]
+zip_safe = False
+include_package_data = True
+packages = find:
+python_requires = >= 3.7
+install_requires =
+    Mopidy >= 3.0.0a4  # Change to >= 3.0 once final is released
+    Pykka >= 2.0.1
+    setuptools
+
+
+[options.extras_require]
+lint =
+    black
+    check-manifest
+    flake8
+    flake8-bugbear
+    flake8-import-order
+    isort[pyproject]
+release =
+    twine
+    wheel
+test =
+    pytest
+    pytest-cov
+dev =
+    %(lint)s
+    %(release)s
+    %(test)s
+
+
+[options.packages.find]
+exclude =
+    tests
+    tests.*
+
+
+[options.entry_points]
+mopidy.ext =
+    iris = mopidy_iris:Extension
+
+
+[flake8]
+application-import-names = mopidy_iris, tests
+max-line-length = 80
+exclude = .git, .tox, build
+select =
+    # Regular flake8 rules
+    C, E, F, W
+    # flake8-bugbear rules
+    B
+    # B950: line too long (soft speed limit)
+    B950
+    # pep8-naming rules
+    N
+ignore =
+    # E203: whitespace before ':' (not PEP8 compliant)
+    E203
+    # E501: line too long (replaced by B950)
+    E501
+    # W503: line break before binary operator (not PEP8 compliant)
+    W503
+    # B305: .next() is not a thing on Python 3 (used by playback controller)
+    B305
diff --git a/setup.py b/setup.py
index 5cc7caf6..60684932 100755
--- a/setup.py
+++ b/setup.py
@@ -1,41 +1,3 @@
-from __future__ import unicode_literals
+from setuptools import setup
 
-import re
-from setuptools import setup, find_packages
-
-def get_version(filename):
-    content = open(filename).read()
-    metadata = dict(re.findall("__([a-z]+)__ = '([^']+)'", content))
-    return metadata['version']
-
-setup(
-    name='Mopidy-Iris',
-    version=get_version('mopidy_iris/__init__.py'),
-    url='https://github.com/jaedb/iris',
-    license='Apache License, Version 2.0',
-    author='James Barnsley',
-    author_email='james@barnsley.nz',
-    description='A fully-functional Mopidy web client encompassing Spotify and many other backends',
-    packages=find_packages(),
-    zip_safe=False,
-    include_package_data=True,
-    install_requires=[
-        'setuptools >= 3.3',
-        'Mopidy >= 2.0',
-        'ConfigObj >= 5.0.6',
-        'requests >= 2.0.0'
-    ],
-    classifiers=[
-        'Environment :: No Input/Output (Daemon)',
-        'Intended Audience :: End Users/Desktop',
-        'License :: OSI Approved :: Apache Software License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 2',
-        'Topic :: Multimedia :: Sound/Audio :: Players',
-    ],
-    entry_points={
-        'mopidy.ext': [
-            'iris = mopidy_iris:Extension',
-        ],
-    },
-)
+setup()
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100755
index 00000000..e69de29b
diff --git a/tests/test_extension.py b/tests/test_extension.py
new file mode 100755
index 00000000..aacbf57f
--- /dev/null
+++ b/tests/test_extension.py
@@ -0,0 +1,24 @@
+from mopidy_iris import Extension
+from mopidy_iris import frontend as frontend_lib
+
+
+def test_get_default_config():
+    ext = Extension()
+
+    config = ext.get_default_config()
+
+    assert "[iris]" in config
+    assert "enabled = true" in config
+
+
+def test_get_config_schema():
+    ext = Extension()
+
+    schema = ext.get_config_schema()
+
+    # TODO Test the content of your config schema
+    # assert "username" in schema
+    # assert "password" in schema
+
+
+# TODO Write more tests
diff --git a/tox.ini b/tox.ini
new file mode 100755
index 00000000..78deb3f3
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,23 @@
+[tox]
+envlist = py37, py38, black, check-manifest, flake8
+
+[testenv]
+sitepackages = true
+deps = .[test]
+commands =
+    python -m pytest \
+        --basetemp={envtmpdir} \
+        --cov=mopidy_iris --cov-report=term-missing \
+        {posargs}
+
+[testenv:black]
+deps = .[lint]
+commands = python -m black --check .
+
+[testenv:check-manifest]
+deps = .[lint]
+commands = python -m check_manifest
+
+[testenv:flake8]
+deps = .[lint]
+commands = python -m flake8 --show-source --statistics