Create docker configs for docusign app, postgres & nginx

.env.db.example

+POSTGRES_USER='databse user'
+POSTGRES_PASSWORD='database password'
+POSTGRES_DB='database name'
\ No newline at end of file

.gitignore

@@ -113,6 +113,7 @@ celerybeat.pid
 
 # Environments
 .env
+.env.db
 .venv
 env/
 venv/
@@ -152,4 +153,4 @@ cython_debug/
 .idea/
 .DS_Store
 private.key
-
+.bash_history

Dockerfile

+FROM python:3.10
+
+WORKDIR /app
+
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+
+COPY requirements /app/requirements
+
+RUN pip install --upgrade pip
+RUN pip install -r requirements/dev.txt
+
+COPY ./entrypoint.sh /
+ENTRYPOINT ["sh", "/entrypoint.sh"]
+
+COPY . .

api/templates/index.html

@@ -40,13 +40,18 @@
 <script>
     const sendForm = (e) => {
         e.preventDefault();
-        fetch('http://localhost:8000/api/v1/', {
+        fetch(`${window.location.protocol + '//' + window.location.host}/api/v1/`, {
             method: 'POST',
             body: new FormData(form)
         }).then(form.reset())
     }
 
     const form = document.querySelector('#form');
+    try {
         form.addEventListener('submit', sendForm);
+    } catch (e) {
+       throw e
+    }
+
 </script>
 </html>
\ No newline at end of file

core/settings.py

@@ -30,7 +30,7 @@ SECRET_KEY = os.getenv('SECRET_KEY')
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['*']
 
 # Application definition
 
@@ -42,13 +42,14 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'rest_framework',
+    'corsheaders',
     'api',
 ]
 
 MIDDLEWARE = [
-    'corsheaders.middleware.CorsMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'corsheaders.middleware.CorsMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
@@ -115,10 +116,15 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
-CORS_ORIGIN_ALLOW_ALL = False
-CORS_ORIGIN_WHITELIST = [
-    'http://loaclhost:8000/api/v1/',
-    'http://127.0.0.1:8000/api/v1/'
+
+CORS_ALLOWED_ORIGINS = [
+    'http://localhost:8000',
+    'http://0.0.0.0:8000',
+]
+
+CSRF_TRUSTED_ORIGINS = [
+    'http://localhost:8000',
+    'http://0.0.0.0:8000',
 ]
 
 # Internationalization
@@ -136,6 +142,8 @@ USE_TZ = True
 # https://docs.djangoproject.com/en/4.2/howto/static-files/
 
 STATIC_URL = '/static/'
+STATICFILES_DIRS = [BASE_DIR / "api/docusign_app/static"]
+STATIC_ROOT = os.path.join(BASE_DIR, 'static/')
 
 MEDIA_ROOT = os.path.join(BASE_DIR, 'api/docusign_app/static')
 MEDIA_URL = '/api/docusign_app/static/'

docker-compose.yml

+version: '3'
+
+services:
+  docusign:
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    container_name: docusign
+    image: docusign_image
+    command: gunicorn core.wsgi:application --bind 0.0.0.0:8000 --workers 3
+    restart: always
+    volumes:
+      - static_volume:/app/static
+    expose:
+      - 8000
+    env_file:
+      - ./.env
+    depends_on:
+      - postgres
+
+  postgres:
+    container_name: postgres
+    image: postgres:14
+    restart: always
+    volumes:
+      - postgres_data:/var/lib/postgresql/data/
+    env_file:
+      - ./.env.db
+    environment:
+      POSTGRES_USER: ${DATABASE_USER}
+      POSTGRES_PASSWORD: ${DATABASE_PASSWORD}
+
+  nginx:
+    build: ./nginx
+    container_name: nginx
+    restart: always
+    volumes:
+      - static_volume:/app/static
+    command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
+    ports:
+      - "80:80"
+    depends_on:
+      - docusign
+
+volumes:
+  static_volume:
+  postgres_data:

entrypoint.sh

+#!/bin/sh
+
+if [ "$DATABASE" = "postgres" ]
+then
+    echo "Waiting for postgres..."
+
+    while ! nc -z $DATABASE_HOST $DATABASE_PORT; do
+      sleep 0.1
+    done
+
+    echo "PostgreSQL started"
+fi
+
+python manage.py migrate --noinput
+python manage.py collectstatic --no-input --clear
+
+exec "$@"
\ No newline at end of file

nginx/Dockerfile

+FROM nginx:latest
+
+RUN rm /etc/nginx/conf.d/default.conf
+COPY default.conf /etc/nginx/conf.d/
\ No newline at end of file

nginx/default.conf

+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      close;
+}
+
+upstream wsgiserver {
+    server docusign:8000;
+}
+
+
+server {
+    listen 80;
+    server_name localhost;
+
+    location / {
+        try_files $uri @proxy_api;
+    }
+
+
+    location @proxy_api {
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $host;
+        proxy_redirect off;
+        proxy_pass   http://wsgiserver;
+    }
+
+
+    location /static/ {
+        root /app/;
+        expires 1M;
+        access_log off;
+        add_header Cache-Control "public";
+    }
+}
\ No newline at end of file

requirements/base.txt

@@ -3,3 +3,5 @@ djangorestframework==3.14.*
 psycopg2-binary==2.9.*
 python-dotenv==1.0.*
 docusign-esign==3.22.*
+django-cors-headers==4.0.*
+gunicorn==20.1.*