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Feed	Uptime	Path	Link
Groww Digest - Daily		/.netlify/functions/rss-groww	rsstree.netlify.app/.netlify/functions/rss-groww
Bytes - The Best JavaScript Newsletter		/.netlify/functions/rss-bytes	rsstree.netlify.app/.netlify/functions/rss-bytes

Demo images

Development Requirements

• node and npm
• netlify cli installed globally

Project Scaffolding

Steps:

netlify init
netlify functions:create --name <func-name>

Local Development

npm install
touch .env  # Put all environment variables here
netlify functions:serve

Testing

# when caching with last-modified header
curl 'http://<host>/.netlify/functions/<func>' -Is | grep -i 'last-modified'
curl 'http://<host>/.netlify/functions/<func>' -H 'If-Modified-Since: <last-modified>' -I

# when caching with etag header
curl 'http://<host>/.netlify/functions/<func>' -Is | grep -i 'etag'
curl 'http://<host>/.netlify/functions/<func>' -H 'If-None-Match: "<etag>"' -I