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Add support to JUDOSCALE_CONTAINER ENV var for custom containers #88

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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 #88

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4 changes: 3 additions & 1 deletion packages/node-core/src/config.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,9 @@ function getDefaultOptions() {
let apiBaseUrl = process.env.JUDOSCALE_URL
let containerID

if (process.env.DYNO) {
if (process.env.JUDOSCALE_CONTAINER) {
containerID = process.env.JUDOSCALE_CONTAINER
} else if (process.env.DYNO) {
containerID = process.env.DYNO
} else if (process.env.RENDER_INSTANCE_ID) {
apiBaseUrl ||= `https://adapter.judoscale.com/api/${process.env.RENDER_SERVICE_ID}`
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13 changes: 13 additions & 0 deletions packages/node-core/test/config.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ describe('Config', () => {
beforeEach(() => {
delete process.env.JUDOSCALE_URL
delete process.env.JUDOSCALE_LOG_LEVEL
delete process.env.JUDOSCALE_CONTAINER
delete process.env.DYNO
delete process.env.RENDER_INSTANCE_ID
delete process.env.RENDER_SERVICE_ID
Expand Down Expand Up @@ -67,6 +68,18 @@ describe('Config', () => {
expect(new Config()).toHaveProperty('container', 'random-replica-uuid')
})

test('has container property via JUDOSCALE_CONTAINER', () => {
process.env.JUDOSCALE_CONTAINER = 'custom-container-id'
expect(new Config()).toHaveProperty('container', 'custom-container-id')
})

test('JUDOSCALE_CONTAINER takes priority over platform-specific env vars', () => {
process.env.JUDOSCALE_CONTAINER = 'custom-container-id'
process.env.DYNO = 'web.123'
process.env.FLY_MACHINE_ID = 'fly-machine-id'
expect(new Config()).toHaveProperty('container', 'custom-container-id')
})

test('has version property', () => {
expect(new Config().version).toMatch(/\d+\.\d+\.\d+/)
})
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