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Add support to JUDOSCALE_CONTAINER ENV var for custom containers #261

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Merged
carlosantoniodasilva merged 1 commit into from
Feb 3, 2026
Merged

Add support to JUDOSCALE_CONTAINER ENV var for custom containers #261

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4 changes: 3 additions & 1 deletion judoscale-ruby/lib/judoscale/config.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,9 @@ def reset
self.class.adapter_configs.each(&:reset)

@current_runtime_container =
if ENV.include?("DYNO")
if ENV.include?("JUDOSCALE_CONTAINER")
RuntimeContainer.new ENV["JUDOSCALE_CONTAINER"]
elsif ENV.include?("DYNO")
RuntimeContainer.new ENV["DYNO"]
elsif ENV.include?("RENDER_INSTANCE_ID")
# Deprecated API url using the service ID for legacy render services not using `JUDOSCALE_URL`.
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26 changes: 26 additions & 0 deletions judoscale-ruby/test/config_test.rb
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Expand Up @@ -103,6 +103,32 @@ module Judoscale
end
end

it "initializes the config from JUDOSCALE_CONTAINER ENV var" do
env = {
"JUDOSCALE_CONTAINER" => "custom-container-123",
"JUDOSCALE_URL" => "https://adapter.judoscale.com/api/1234567890"
}

use_env env do
config = Config.instance
_(config.api_base_url).must_equal "https://adapter.judoscale.com/api/1234567890"
_(config.current_runtime_container).must_equal "custom-container-123"
end
end

it "prioritizes JUDOSCALE_CONTAINER over platform-specific ENV vars" do
env = {
"JUDOSCALE_CONTAINER" => "custom-container-123",
"DYNO" => "web.1",
"JUDOSCALE_URL" => "https://adapter.judoscale.com/api/1234567890"
}

use_env env do
config = Config.instance
_(config.current_runtime_container).must_equal "custom-container-123"
end
end

it "allows ENV vars config overrides for the debug and URL" do
env = {
"DYNO" => "web.2",
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