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Add "gcf filesystem is not persistent" note #1729

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Merged
gcf-merge-on-green merged 1 commit into from
Apr 18, 2020
Merged

Add "gcf filesystem is not persistent" note #1729

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5 changes: 4 additions & 1 deletion functions/http/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,10 @@ exports.uploadFile = (req, res) => {
const writeStream = fs.createWriteStream(filepath);
file.pipe(writeStream);

// File was processed by Busboy; wait for it to be written to disk.
// File was processed by Busboy; wait for it to be written.
// Note: GCF may not persist saved files across invocations.
// Persistent files must be kept in other locations
// (such as Cloud Storage buckets).
const promise = new Promise((resolve, reject) => {
file.on('end', () => {
writeStream.end();
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