This is a basic social network demo by Golang.

1. Technologies

1. grpc - "google.golang.org/grpc"
2. goqu - "github.com/doug-martin/goqu/v9"
3. kafka - "github.com/IBM/sarama"
4. redis - "github.com/go-redis/redis/v8"
5. websocket - "github.com/gorilla/websocket"
6. gorm - "gorm.io/gorm" (post-service only)
7. Elastic search - "github.com/elastic/go-elasticsearch/v8"
8. prometheus - "github.com/prometheus/client_golang/prometheus"
9. grafana for monitoring
10. email - "github.com/jordan-wright/email"
11. sms - "github.com/twilio/twilio-go"
12. template - "html/template"
13. DSA: Trie - for violent comment rule checking
14. Nginx: for load balancing

2. How to start

Run by Docker

1. run `docker compose up`
2. Check status of services
3. Access prometheus: [http://localhost:9090/targets](http://localhost:9090/targets) to check is your service up successfully
4. Access grafana: [http://localhost:3000/login](http://localhost:3000/login) (user: admin - password: admin)
5. Access `localhost:3001` for web
6. Access `localhost:3001/comment_rule.html` for comment-rule

Run on Local

1. go to "cd deployments" and run "docker-compose up"
2. run http-gateway "cd http_gateway/" and "go run cmd/main.go"
3. run user-service "cd user-service/" and "go run cmd/main.go"
4. run post-service "cd post-service/" and "go run cmd/main.go"
5. run newsfeed-service "cd newsfeed-service/" and "go run cmd/main.go"
6. run message-service "cd message-service/" and "go run cmd/main.go"
7. run FE "cd web/" and "start index.html"

3. Information

User

namnv - namnv
knm - knm
baobq - baobq

Follower

Data migration

sql files location:

user-service\internal\database\migrations\mysql

Install wire to generate dependency injection

go install github.com/google/wire/cmd/wire@latest

4. Features

- Login / Register
- Newsfeed
- View and add new comment on post with comment rule
- View followers post
- Follow / Unfollow
- View your wall and your friends post
- Search another people
- Chat with friends
- Email / SMS OTP
- Notification

4.1 Login / Register

• Login

• Register

• OTP

4.2 Newsfeed

4.3 View and add new comment on post with comment rule

• View comment on post

• Comment violent rule checking

4.4 View followers post

if namnv posted a post. knm and baobq will see it in their newsfeed.

if knm posted a post. Only namnv will see it in his newsfeed baobq will not. Because only namnv follow knm if baobq posted a post. Only namnv will see it in his newsfeed knm will not. Because only namnv follow baobq

4.5 Follow / Unfollow

4.6 View your wall and your friends post

• View your wall

• View your friends post

4,.7 Search another people

• Search by name

• Act when search

4.8 Chat with friends

• Chat room list

• Chat with friend

4.8 Email / SMS OTP

4.9 Notification

Monitoring

prometheus read this link

Grafana custom

after login, you can setup dashboard for monitoring

access to download dashboard template

https://grafana.com/grafana/dashboards/1860-node-exporter-full/

import template by id or json