How to store image width & height in Rails ActiveStorage
According to ActiveStorage Overview Guild there is already existing solution image.file.analyze and image.file.analyze_later (docs ) which uses ActiveStorage::Analyzer::ImageAnalyzerAccording to...
View ArticlePitfalls of Rails db transactions
Rollback Rails transaction and rescue error to display itgood:This is finerecord = MyModel.last error_for_user = nil begin ActiveRecord::Base.transaction do # ... record.save! end rescue...
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ImageMagic cache resources exhausted
We are living in a age of ridiculous smartphone cameras. Chances are you will see user uploading 108 Megapixel images and your ImageMagic crushing when processing it. convert source.jpg -auto-orient...
View ArticleRails PostgreSQL find by nested JSON / JSONb field
Imaging Rails model SubscriptionsHistory with json field data that has nested JSON: subscription.idSo SubscriptionsHistory.attributes would return:{"id"=>654321, "data"=> {"subscription"=>...
View ArticleEmbed Google Maps JS with Stimulus JS
// app/javascript/controllers/map_controller.js export default class extends Controller { static targets = [ 'map' ] connect () { if(this.hasMapTarget) { let lat =...
View ArticleRails ActiveStorage AWS S3 bucket policy permissions
Steps:create a AWS s3 bucket and then create a new AWS IAM user:create new user in AWS IAM (copy access_key and sectet and store them to Rails credentials)on “Set Permission” step click on “Attach...
View ArticlePublicly accessible Elasticsearch 7.x
how to expose ElasticSearch on a VM globaly (public access)or: How to access ElasticSearch 7.x installed on a VM from my laptopnote this is a terrible idea! don’t do this for production ES. This is...
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Add Goddady ssl certificate to AWS Load Balancer
Assuming you’ve already generated the csr files and private key without password and you already have SSL certificate issued by GoDaddyIn GoDaddy go to https://certs.godaddy.com/ in Certs pic...
View ArticleAWS ElasticBeanstalk update ssh welcome message (motd)
In order to update welcome message after ssh a.k.a message of the day (motd) we need to write our custom motd script to the AWS ElasticBeanstalk (EB) EC2 instace...
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