initial commit, adding flask structure, README, routes

- routes defined in routes.py uses the <path:..> function to catch
  every non-empty url comming along
- request.full_path is used to get the entire url, as <path:> would
  remove eg GET '?' from the url, which we don't want
  for the link forwarding.
- request.full_path[1:] removes the '/' from the url

docker/README.md

@@ -0,0 +1,7 @@
+## Goal
+
+run short-server in a docker-compose environment 
+
+## Usage
+
+1. `docker-compose up -d` starts the containers in background

docker/docker-compose.yml

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+version: '3'
+services:
+  short-server:
+    build:
+      context: ./short-server
+    image: daria/short-server:latest
+    container_name: short-server 
+    environment:
+      - FLASK_APP=/home/short-server/server.py
+      - FLASK_ENV=development
+    volumes:
+      - ../:/home/short-server
+    ports:
+      - "0.0.0.0:8086:8086"
+    networks:
+      net:
+        ipv4_address: '172.25.0.12'
+
+volumes:
+  database:
+    driver: local
+
+networks:
+  net:
+    ipam:
+      driver: default
+      config:
+        - subnet: 172.25.0.0/24

docker/short-server/Dockerfile

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+FROM python:3.8-slim-buster
+RUN apt-get update && apt-get upgrade -y
+RUN apt-get install gcc libmariadbclient-dev -y 
+RUN pip3 install google-oauth google-api-python-client
+RUN pip3 install flask Flask-SQLAlchemy flask_migrate flask_wtf python-dotenv mysqlclient
+COPY docker-entrypoint.sh /usr/local/bin/
+EXPOSE 3001
+ENTRYPOINT ["docker-entrypoint.sh"]

docker/short-server/docker-entrypoint.sh

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+#!/bin/bash
+set -e
+
+sleep 5
+
+if [[ "$1" = "shell" ]]; then
+    exec /bin/bash
+fi
+
+cd /home/short-server
+python3 server.py
+