Redis looking for env redis url variable not sure where to put env variable bad URI(is not URI?): (URI::InvalidURIError)

redis, ruby-on-rails

Solution

I'm guessing you're getting this when doing rake. The problem is that when rake-ing, your environment variables aren't set, which leads to this error (info at https://devcenter.heroku.com/articles/rails-asset-pipeline). To overcome, use a conditional intializer instead, e.g.:

if ENV["REDISCLOUD_URL"]
    uri = URI.parse(ENV["REDISCLOUD_URL"])
    $redis = Redis.new(:host => uri.host, :port => uri.port, :password => uri.password)
end

P.S. alternatively, use this but note that according to Heroku:

Using this labs feature is considered counter to Heroku best practices. This labs feature can make your builds less deterministic and require re-deploys after making config changes. Ideally your app should be able to build without config.

Problem

I am quite new to redis. This rails application has a redis.rb file in config/initializers ``` uri = URI.parse(ENV["REDIS_URL"]) $redis = Redis.new(:host => uri.host, :port => uri.port, :password => uri.password) ``` The redis url is on heroku config. I can't just replace `REDIS_URL` with the `REDIS_URL` from heroku config. I am getting a URI parse error ``` bad URI(is not URI?): (URI::InvalidURIError) ``` my question is where should I place the redis url ? where is it searching the env variable from?

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