Task: Manage files in S3

n8n workflow JSON:
{"id":"64","name":"Upload a file and get a list of all the files in a bucket","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[390,220],"parameters":{},"typeVersion":1},{"name":"HTTP Request","type":"n8n-nodes-base.httpRequest","position":[590,220],"parameters":{"url":"https://n8n.io/n8n-logo.png","options":{},"responseFormat":"file"},"typeVersion":1},{"name":"S3","type":"n8n-nodes-base.s3","position":[790,220],"parameters":{"fileName":"={{$node[\"HTTP Request\"].binary.data.fileName}}","operation":"upload","bucketName":"n8n","additionalFields":{}},"credentials":{"s3":"s3-n8n"},"typeVersion":1},{"name":"S","type":"n8n-nodes-base.s3","position":[990,220],"parameters":{"options":{},"operation":"getAll","returnAll":true,"bucketName":"n8n"},"credentials":{"s3":"s3-n8n"},"typeVersion":1}],"active":false,"settings":{},"connections":{"S3":{"main":[[{"node":"S","type":"main","index":0}]]},"HTTP Request":{"main":[[{"node":"S3","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"HTTP Request","type":"main","index":0}]]}}}