add nginx webserver container

docker-compose.yml

@@ -100,12 +100,23 @@ services:
     depends_on:
       - kibana
       - elasticsearch
+
+  nginx:
+    build: ./nginx
+    container_name: nginx
+    #environment:
+    #  - SERVER_NAME=${NGINX_SERVER_NAME}
     ports:
-      - "8000:8000"
+      - "80:80"
+    restart: always
 
 
 volumes:
   elasticsearch-data-volume:
     driver: local
   mongodata:
-    driver: local
+    driver: local
+
+networks:
+  default:
+    driver: bridge

nginx/Dockerfile

@@ -0,0 +1,4 @@
+FROM nginx
+
+RUN rm /etc/nginx/conf.d/default.conf
+COPY flask_app.conf /etc/nginx/conf.d/

nginx/flask_app.conf

@@ -0,0 +1,9 @@
+server {
+    listen 80;
+    server_name $SERVER_NAME;
+
+    location / {
+        proxy_set_header Host $host;
+        proxy_pass http://flask:8000;
+    }
+}