Merge pull request #1 from tameeshB/docerize

Docerize

Author: tameeshB

.env

@@ -1,6 +1,6 @@
-export MYSQL_DB='evoting'
-export MYSQL_User='root'
-export MYSQL_Pass='root'
-export MYSQL_Host='localhost'
-export smtp_sender='webmail@iitp.ac.in'
-export smtp_pass='password'
+MYSQL_DATABASE=evoting_db
+MYSQL_PASSWORD=root
+MYSQL_ROOT_PASSWORD=root
+MYSQL_HOST=db
+smtp_sender=your-webmail@iitp.ac.in
+smtp_pass=password

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.7
+ENV PYTHONUNBUFFERED 1
+RUN mkdir /evoting
+WORKDIR /evoting
+ADD . /evoting/
+RUN pip install -r REQUIREMENTS.txt && \
+    chmod +x init_migrate_db.sh

README.md

@@ -5,6 +5,12 @@
 
 Polling app with a simple, intuitive UX that also takes care of the complexities like privacy, integrity and security behind the scenes.
 
+## Docker Deployment:
+1. `docker-compose --env-file .env build`
+2. `docker-compose --env-file .env up -d`
+3. `docker-compose exec web bash /evoting/init_migrate_db.sh --load-template-data`
+
+
 ## apt/brew Dependencies
 1. Python : >=3.5
 2. Chrome : >=68 (for running functional tests)

REQUIREMENTS.txt

@@ -1,3 +1,4 @@
-django
-pymysql
-selenium
+django==3.0.2
+pymysql==0.9.3
+mysqlclient==1.3.13
+selenium

docker-compose.yml

@@ -0,0 +1,26 @@
+version: "2.1"
+services:
+  db:
+    image: mysql:5.7
+    ports:
+      - '3306:3306'
+    env_file:
+      - .env
+    restart: on-failure
+    healthcheck:
+      test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
+      timeout: 20s
+      retries: 10
+  web:
+    build: .
+    command: python manage.py runserver 0.0.0.0:8000
+    env_file:
+        - .env
+    # volumes:
+    #   - .:/evoting
+    ports:
+      - "8000:8000"
+    restart: on-failure
+    depends_on:
+      db:
+        condition: service_healthy

evoting/__init__.py

@@ -1,3 +1,7 @@
 import pymysql
 
+# Pre-Docker deploy debug:
+# https://stackoverflow.com/a/59591269/2736932
+pymysql.version_info = (1, 3, 13, "final", 0)
+
 pymysql.install_as_MySQLdb()

evoting/mysql.conf

@@ -82,11 +82,11 @@
 # }
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.mysql', 
-        'NAME': os.environ.get('MYSQL_DB'),
-        'USER': os.environ.get('MYSQL_User'),
-        'PASSWORD': os.environ.get('MYSQL_Pass'),
-        'HOST': os.environ.get('MYSQL_Host'),
+        'ENGINE': 'django.db.backends.mysql',
+        'NAME': os.environ.get('MYSQL_DATABASE'),
+        'USER': 'root', # os.environ.get('MYSQL_USER')
+        'PASSWORD': os.environ.get('MYSQL_ROOT_PASSWORD'),
+        'HOST': os.environ.get('MYSQL_HOST'),
         'PORT': '3306',
     }
 }

evoting/settings.py

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+python manage.py makemigrations
+python manage.py migrate
+if [[ $? -ne 0 ]]; then
+    echo "Couldn't load migrations into DB."
+    exit 1
+fi
+if [ $1 == "--load-template-data" ]; then
+    if [[ ! -f /evoting/templateMigrationData.lock ]]; then
+        python manage.py loaddata /evoting/templateMigrationData.json
+        now="$(date)"
+        echo "templateMigrationData loaded at $now" > /evoting/templateMigrationData.lock
+        echo "Loaded templateMigrationData.json data into DB."
+    else
+        echo "Unable to load templateMigrationData.json as already loaded once:"
+        cat /evoting/templateMigrationData.lock
+        echo "Reloading would result in losing all generated data in the DB."
+    fi
+else
+    echo "Not loading tempalte data. Use '--load-template-data'."
+fi