Task: Upload a file to an S3 server

n8n workflow:
{"id":"62","name":"Upload a file on an S3 server","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[440,260],"parameters":{},"typeVersion":1},{"name":"S3","type":"n8n-nodes-base.s3","position":[850,260],"parameters":{"fileName":"={{$node[\"Read Binary File\"].binary.data.fileName}}","operation":"upload","bucketName":"000","additionalFields":{}},"credentials":{"s3":"s3-n8n"},"typeVersion":1},{"name":"Read Binary File","type":"n8n-nodes-base.readBinaryFile","position":[640,260],"parameters":{"filePath":"/Users/harshil/n8n.txt"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Read Binary File":{"main":[[{"node":"S3","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Read Binary File","type":"main","index":0}]]}}}