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AWS Lambdaを画像変化サーバとして使おうとした話 / AWS Lambda
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Kuranari Tomohisa
September 30, 2015
Programming
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1.3k
AWS Lambdaを画像変化サーバとして使おうとした話 / AWS Lambda
Geeks Night @Money Forward
Kuranari Tomohisa
September 30, 2015
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Transcript
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= require('aws-‐sdk'); var gm = require('gm').subClass({ imageMagick: true }); var s3 = new AWS.S3(); exports.handler = function(event, context) { var srcBucket = event.Records[0].s3.bucket.name; var srcKey = decodeURIComponent(event.Records[0].s3.object.key); var dstBucket = srcBucket + "resized"; var dstKey = "resized-‐" + srcKey.replace(/\..*$/, ".jpg"); async.waterfall([ function download(next) { s3.getObject({ Bucket: srcBucket, Key: srcKey }, next); }, function transform(response, next) { gm(response.Body).toBuffer("jpg", function(err, buffer) { next(null, response.ContentType, buffer); }); }, function upload(contentType, data, next) { s3.putObject({ Bucket: dstBucket, Key: dstKey, ɹɹɹɹɹɹɹɹɹɹɹ Body: data, ContentType: contentType }, next); }], function (err) { context.done(); }); }; ࢀߟIUUQEPDTBXTBNB[PODPNKB@KQMBNCEBMBUFTUEHXBMLUISPVHITFWFOUTBENJOVTFSIUNM
MBNCEBؔ var async = require('async'); var AWS
= require('aws-‐sdk'); var gm = require('gm').subClass({ imageMagick: true }); var s3 = new AWS.S3(); exports.handler = function(event, context) { var srcBucket = event.Records[0].s3.bucket.name; var srcKey = decodeURIComponent(event.Records[0].s3.object.key); var dstBucket = srcBucket + "resized"; var dstKey = "resized-‐" + srcKey.replace(/\..*$/, ".jpg"); async.waterfall([ function download(next) { s3.getObject({ Bucket: srcBucket, Key: srcKey }, next); }, function transform(response, next) { gm(response.Body).toBuffer("jpg", function(err, buffer) { next(null, response.ContentType, buffer); }); }, function upload(contentType, data, next) { s3.putObject({ Bucket: dstBucket, Key: dstKey, ɹɹɹɹɹɹɹɹɹɹɹ Body: data, ContentType: contentType }, next); }], function (err) { context.done(); }); }; ϥΠϒϥϦϩʔυ ࢀߟIUUQEPDTBXTBNB[PODPNKB@KQMBNCEBMBUFTUEHXBMLUISPVHITFWFOUTBENJOVTFSIUNM
MBNCEBؔ var async = require('async'); var AWS
= require('aws-‐sdk'); var gm = require('gm').subClass({ imageMagick: true }); var s3 = new AWS.S3(); exports.handler = function(event, context) { var srcBucket = event.Records[0].s3.bucket.name; var srcKey = decodeURIComponent(event.Records[0].s3.object.key); var dstBucket = srcBucket + "resized"; var dstKey = "resized-‐" + srcKey.replace(/\..*$/, ".jpg"); async.waterfall([ function download(next) { s3.getObject({ Bucket: srcBucket, Key: srcKey }, next); }, function transform(response, next) { gm(response.Body).toBuffer("jpg", function(err, buffer) { next(null, response.ContentType, buffer); }); }, function upload(contentType, data, next) { s3.putObject({ Bucket: dstBucket, Key: dstKey, ɹɹɹɹɹɹɹɹɹɹɹ Body: data, ContentType: contentType }, next); }], function (err) { context.done(); }); }; ϥΠϒϥϦϩʔυ όέοτ ϑΝΠϧ໊ఆٛ ࢀߟIUUQEPDTBXTBNB[PODPNKB@KQMBNCEBMBUFTUEHXBMLUISPVHITFWFOUTBENJOVTFSIUNM
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