Add Docker build and docker compose file

docker-compose.yml.example

@@ -0,0 +1,43 @@
+services:
+    reverse-proxy:
+        container_name: 'marietje-reverse-proxy'
+        image: nginx:latest
+        restart: 'always'
+        depends_on:
+        - backend
+        ports:
+        - 80:80
+        volumes:
+        - ./data/shared/media/:/marietje/media/
+        - ./data/shared/static/:/marietje/static/
+        - ./data/reverse-proxy/conf.d/:/etc/nginx/conf.d/
+        - ./data/reverse-proxy/nginx.conf:/etc/nginx/nginx.conf
+        networks:
+        - marietje-network
+
+    backend:
+        build: "."
+        restart: 'always'
+        container_name: 'marietje-backend'
+        volumes:
+        - ./data/shared/static/:/marietje/src/website/static/
+        - ./data/shared/media/:/marietje/src/website/media/
+        - ./data/backend/log/:/marietje/log/
+        environment:
+            DJANGO_SECRET_KEY: '[Django Secret key]'
+            VIRTUAL_HOST: '[Marietje hostname]'
+            VIRTUAL_PROTO: 'uwsgi'
+            DJANGO_ALLOWED_HOST: 'marietje-zuid.nl'
+            DJANGO_MYSQL_NAME: 'marietje'
+            DJANGO_MYSQL_USER: 'marietje'
+            DJANGO_MYSQL_PASSWORD: '[Marietje zuid database password]'
+            DJANGO_MYSQL_HOST: 'localhost'
+            DJANGO_MYSQL_PORT: '3306'
+            DJANGO_BERTHA_HOST: 'bach.science.ru.nl'
+            DJANGO_BERTHA_PORT: '1234'
+        networks:
+        - marietje-network
+
+networks:
+  marietje-network:
+    driver: bridge