Write image proxy server for LINE Bot in Go

by LINE Developers

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Write image proxy server for LINE Bot in Go LINE Technical Evangelist Evan Lin

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NEW API Update

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https://developers.line.biz/en/news/#line-login-new-parameters-and-properties-added-2019-06-26

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https://login-tester-evan.herokuapp.com/

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https://www.evanlin.com/til-line-login/ Tutorial article (Chinese) Open Source Packages: • https://github.com/kkdai/line-social-sdk-go • https://github.com/kkdai/line-login-go

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Why we need a Image-Proxy Server

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A story about pet adoption http://www.evanlin.com/petsneedme-helping-adoption-pet/

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Pet Adoption : Open Data • http://data.coa.gov.tw/Service/OpenData/TransService.aspx?UnitId=QcbUEzN6E6DL&$top=50&$skip=0

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Pet Adoption : Open Data • http://data.coa.gov.tw/Service/OpenData/TransService.aspx?UnitId=QcbUEzN6E6DL&$top=50&$skip=0

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Our problem

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Let’s use Heroku as our Image Proxy Server • Default support HTTPS • No persistent storage • Will shutdown 6 hours per day (in free-tier, no prediction)