[CI] Add

.drone.yml

@@ -0,0 +1,21 @@
+kind: pipeline
+name: lint
+
+steps:
+- name: pylint
+  image: python:slim
+  commands:
+  - "echo \"==> Pylint ...\""
+  - pip install -r requirements.txt
+  - pip install pylint
+  - pylint *.py
+
+- name: dockerlint
+  image: hadolint/hadolint 
+  commands:
+  - hadolint --ignore DL3013 Dockerfile # ignore pinning version in pip
+
+- name: w3c validator
+  image: validator/validator:latest
+  commands:
+  - vnu static/*.html

.gitignore

@@ -27,6 +27,7 @@ share/python-wheels/
 .installed.cfg
 *.egg
 MANIFEST
+.idea/
 
 # PyInstaller
 #  Usually these files are written by a python script from a template

Dockerfile

@@ -2,6 +2,7 @@ FROM python:slim
 
 RUN pip install flask
 COPY beer.py /beer.py
+COPY static /static
 EXPOSE 5000
 
-CMD python /beer.py
+CMD ["python", "/beer.py"]

beer.py

@@ -1,17 +1,25 @@
 #!/usr/bin/env python3.6
 # -*- coding:utf-8 -*-
+""" stupid countdown beer app to amuse my colleagues and collect buzzwords """
 
 from flask import Flask
+
+# pylint: disable=invalid-name
 app = Flask(__name__)
 
+
 @app.route('/')
 def index():
-    with open('static/beer.html') as f:
-        data = f.read()
+    """ main and only app """
+    with open('static/beer.html') as html_file:
+        data = html_file.read()
         return data
 
-@app.route('/hello/<phrase>')
-def hello(phrase):
-   return phrase
 
+def main():
+    """ main func """
     app.run(host='::')
+
+
+if __name__ == '__main__':
+    main()