In category: ← URL Shorteners

About reduc.io

URL shortener service written in Scala, using Akka-Http and Redis.

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Languages/Platforms/Technologies:

Scala

Lincenses:

More about reduc.io

❱ reduc.io ❰

URL shortener service http://reduc.io/wuXaq

Tech stack

Alternative solutions

We could use following short code gen also:

substr(base62(md5(url)), 6) = 62 ^ 6 //unique short urls

Commands

Run

Run docker-compose, it will start api, redis and will expose api port to host.

docker-compose up

Sample usage

# Shorten
curl -i http://localhost:9001 -F "url=https://www.amazon.com/Star-Wars-Battlefront-II-Digital/dp/B072JZZ4XD"

# Call shortened url
for ((i=1;i<=100;i++)); do curl -i "http://localhost:9001/SEwuXHhBQw"; done

# Get Stats
curl -i "http://localhost:9001/stats/?url=https://www.amazon.com/Star-Wars-Battlefront-II-Digital/dp/B072JZZ4XD"

# returns: {"callCount":100}

Create executable

sbt packageBin

Test

sbt test

Gatling Simulation

Simulation users count can be set in application.conf in test resources.

# terminal 1
sbt run

# Run simulation in terminal 2
sbt gatling:test gatling:latestReport

Coverage with Report

sbt clean coverage test coverageReport

Improvements

Seperate read and write API's
Move statistics to different data store and API
Add DB support by having write master/replicas and have read replicas
Move hit counts to MapReduce job and generate them from the Web Server logs
Implement Authentication using JWT authentication protocol with OAuth2 authentication framework
API Documentation using swagger or similar
Add Host denyList
Add Retry policies for Redis calls using Retry or similar one
Add Throttling using akka-http-contrib
Add Metrics support using akka-http-metrics