simpleNginxApp

simple nginx website, Mongodb to collect nginx access log

How to use

You can start entire application using below command

docker-compose up -d

Table of contents

• Nginx
• Fluentd
• MongoDB
• Notification Application

Sensitive credntials are handled with either env variable or env-files.

Nginx

• Nginx will serve a simple web page.
• Which is protected with HTTP basic auth.
• Location: nginx

Fluentd

• Fluentd will collect access log and regex plugin is used to parse the access log to filter out agent,date and response code.
• Fluentd container has access to nginx access log by mounting nginx access log location into it.
• Tail plugin read logs and which is given to mongodb output plugin, which is running as another contrainer.
• Location: fluentd

MongoDB

• Mongodb container will create a database named 'fluentd' and a collection 'accesswith help ofmongodb/mongo-init.js' script at the container startup.
• Location: mongodb
• You can view mongodb collection below;

> db.access.find()
{ "_id" : ObjectId("6234cb3be03324000ffdedd5"), "status" : "200", "agent" : "curl/7.58.0", "time" : ISODate("2022-03-19T09:10:36Z") }
{ "_id" : ObjectId("6234cb71e03324000ffdedd6"), "status" : "200", "agent" : "curl/7.58.0", "time" : ISODate("2022-03-19T09:11:30Z") }
{ "_id" : ObjectId("6234cb71e03324000ffdedd7"), "status" : "401", "agent" : "curl/7.58.0", "time" : ISODate("2022-03-19T09:11:34Z") }
{ "_id" : ObjectId("6234cd1ae03324001248bedf"), "status" : "403", "agent" : "curl/7.58.0", "time" : ISODate("2022-03-19T09:18:35Z") }
{ "_id" : ObjectId("6234cd1ae03324001248bee0"), "status" : "403", "agent" : "curl/7.58.0", "time" : ISODate("2022-03-19T09:18:53Z") }

Notification Application

• This will check for status code every 20 minutes and send email, if it exceedes more than 10 times.
• Location: notifyApp