Add Docker setup

Author: moluwole

.env

@@ -0,0 +1,8 @@
+DEBUG=0
+DB_ENGINE=django.db.backends.postgresql
+DB_HOST=db
+DB_PORT=5432
+DB_NAME=django_index
+DB_USER=testUser
+DB_PASSWORD=django_index_password 
+DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]

Dockerfile

@@ -0,0 +1,20 @@
+FROM bitnami/python:3.12.7
+
+# set working directory
+WORKDIR /usr/src/app
+
+# install system dependencies
+RUN apt-get update \
+  && apt-get -qq -y install netcat-traditional \
+      libglib2.0-0 libsm6 libxext6 libxrender-dev libgomp1 \
+      graphviz graphviz-dev gcc \
+  && apt-get -qq clean
+
+# install python dependencies
+COPY ./requirements.txt /usr/src/app/requirements.txt
+
+RUN pip install --upgrade pip
+RUN pip install --no-cache-dir -r requirements.txt
+
+# copy project
+COPY . /usr/src/app/

django_index_project/settings.py

@@ -11,6 +11,7 @@
 """
 
 from pathlib import Path
+import os
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -23,7 +24,7 @@
 SECRET_KEY = "django-insecure-+031!wnlhf@ij86qi%7mu^f+r4hhezl=tz&05mvbopvh^)g_@u"
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = int(os.environ.get("DEBUG", 0))
 
 ALLOWED_HOSTS = ["*"]
 
@@ -74,21 +75,14 @@
 # Database
 # https://docs.djangoproject.com/en/5.1/ref/settings/#databases
 
-# DATABASES = {
-#     'default': {
-#         'ENGINE': 'django.db.backends.sqlite3',
-#         'NAME': BASE_DIR / 'db.sqlite3',
-#     }
-# }
-
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.postgresql",
-        "HOST": "127.0.0.1",
-        "PORT": 5432,
-        "USER": "monitaur",
-        "PASSWORD": "dummy",
-        "NAME": "monitaur",
+        "ENGINE": os.environ.get("DB_ENGINE", "django.db.backends.sqlite3"),
+        "HOST": os.environ.get("DB_HOST", "localhost"),
+        "PORT": os.environ.get("DB_PORT", "5432"),
+        "USER": os.environ.get("DB_USER", "postgres"),
+        "PASSWORD": os.environ.get("DB_PASSWORD", "postgres"),
+        "NAME": os.environ.get("DB_NAME", "postgres"),
     }
 }
 

docker-compose.yml

@@ -0,0 +1,34 @@
+services:
+
+  api:
+    build: .
+    command: python manage.py runserver 0.0.0.0:8080
+    entrypoint: ["/usr/src/app/entrypoint.sh"]
+    volumes:
+      - .:/usr/src/app
+    ports:
+      - 8080:8080
+    depends_on:
+      - db
+    env_file:
+      - .env
+    networks:
+      - django_index_network
+
+  db:
+    image: postgres:latest
+    volumes:
+      - db_data:/var/lib/postgresql/data/
+    environment:
+      - POSTGRES_USER=testUser
+      - POSTGRES_PASSWORD=django_index_password
+      - POSTGRES_DB=django_index
+    networks:
+      - django_index_network
+
+
+networks:
+  django_index_network:
+
+volumes:
+  db_data:

entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+while ! nc -z db 5432; do
+  echo "Waiting for database...."
+  sleep 0.1
+done
+
+echo "Database started"
+
+python manage.py migrate --no-input
+# python manage.py seed_db --no-input
+
+exec "$@"