url-shorterner

URL Shortener using Key Generation Service (KGS)

TODO

• add cronjob to delete expired short url
• better logging
• repository tests
• e2e tests
• cache when not found
• Dockerfile
• docker-compose.yml
• CI/CD
• k8s config (maybe in other repo)

Getting started

docker-compose

1. download docker-compose.yml

wget https://raw.githubusercontent.com/txya900619/url-shortener/main/deployments/docker-compose.yml

2. docker-compose up

docker-compose up

manual

1. Install gowatch

go install github.com/silenceper/gowatch@latest

2. Install generate dependencies

go install github.com/google/wire/cmd/wire@latest \
&& go install github.com/deepmap/oapi-codegen/cmd/oapi-codegen@latest \
&& go install go install google.golang.org/protobuf/cmd/protoc-gen-go@latest \
&& go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest

3. Generate needed files

go generate ./...

4. Start PostgreSQL

docker run --name postgres-docker -e POSTGRES_USER=admin -e POSTGRES_PASSWORD=123456 -d postgres

5. Start Redis

docker run --name redis-docker -p 6379:6379 -d redis redis-server --requirepass "abc123"

6. Start Cassandra

docker run --name cassandra-docker -p 9042:9042 bitnami/cassandra:latest

7. Start kgs (if you want to use in production, change KEY_LENGTH to 6 or more)

cd cmd/kgs \
&& gowatch

8. Start shorturl server

cd cmd/shorturl \
&& gowatch

How to use

See openapi doc

Why use these DBMS

• PostgreSQL (TODO)
• Redis (TODO)
• Cassandra (TODO)