PORT
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-06.)
PORT has 12 facts recorded in Dontopedia across 2 references, with 1 live disagreement.
Mostly:rdf:type(2), has default value(2), reads from env(1)
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (5)
Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.
bindsToPortBinds to Port(1)
- Express App
ex:express-app
definesVariableDefines Variable(1)
- Express App
ex:express-app
environmentVariableEnvironment Variable(1)
- Main Retrieval Service
ex:main-retrieval-service
getsPortFromEnvGets Port From Env(1)
- Main Retrieval Service
ex:main-retrieval-service
listensOnPortListens on Port(1)
- Express App
ex:express-app
Other facts (11)
The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.
| Predicate | Value | Ref |
|---|---|---|
| Rdf:type | Environment Variable | [1] |
| Rdf:type | Environment Variable | [2] |
| Has Default Value | 3000 | [1] |
| Has Default Value | Default Port | [2] |
| Reads From Env | process.env.PORT | [1] |
| Environment Variable Name | PORT | [1] |
| Default Numeric Value | 3000 | [1] |
| Typical Development Port | 3000 | [1] |
| Uses Fallback Operator | || | [1] |
| Environment Variable Type | string-or-number | [1] |
| Is Configured As | process.env.PORT || 3000 | [2] |
Timeline
Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
References (2)
ctx:claims/beam/6cef072a-1da3-4f4e-914b-dfa032c546df- full textbeam-chunktext/plain1 KB
doc:beam/6cef072a-1da3-4f4e-914b-dfa032c546dfShow excerpt
const app = express(); const PORT = process.env.PORT || 3000; // Middleware to parse JSON bodies app.use(express.json()); // Healthcheck endpoint app.get("/healthcheck", (req, res) => { res.status(200).json({ status: "Healthy" }); });…
ctx:claims/beam/146dbc67-cfbc-4e9d-88aa-9edbaa85fa5b- full textbeam-chunktext/plain1 KB
doc:beam/146dbc67-cfbc-4e9d-88aa-9edbaa85fa5bShow excerpt
const PORT = process.env.PORT || 3000; ``` #### 2. Error Handling Add middleware to handle errors. ```javascript app.use((err, req, res, next) => { console.error(err.stack); res.status(500).json({ error: "Something went wrong." }…
See also
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