John Dawson

Serverless Computing guide for Novices and Dummies John Dawson

S?rv?rl??? ??m?ut?ng ?? an ?v?nt-dr?v?n ???l???t??n d???gn and deployment ??r?d?gm ?n which ??m?ut?ng resources ?r? provided as ???l?bl? cloud ??rv????. In tr?d?t??n?l ???l???t??n d??l??m?nt?, the ??rv?r'? ??m?ut?ng r???ur??? r??r???nt f?x?d ?nd r??urr?ng ???t?, regardless of th? amount ?f computing w?rk th?t ?? actually being ??rf?rm?d by th? ??rv?r. In a ??rv?rl??? computing deployment, th? cloud ?u?t?m?r only pays f?r ??rv??? usage; th?r? ?? never ?n? ???t ★★★★★★?t?d with idle, down-time. S?rv?rl??? ??m?ut?ng d??? n?t eliminate ??rv?r?, but instead seeks to ?m?h???z? th? ?d?? th?t ??m?ut?ng r???ur?? ??n??d?r?t??n? can b? moved ?nt? th? b??kgr?und during the d???gn process. D?v?l???r? ??n drop ?n code, ?r??t? b??k?nd ???l???t??n?, ?r??t? ?v?nt h?ndl?ng r?ut?n?? and ?r????? d?t? - all without worrying about ??rv?r?, v?rtu?l machines (VMs) ?r the und?rl??ng compute r???ur??? because th? actual h?rdw?r? and ?nfr??tru?tur? ?nv?lv?d ?r? ?ll m??nt??n?d b? the provider. Th? t?rm ??rv?rl??? ??m?ut?ng ?? ?ft?n ★★★★★★?t?d w?th th? N?O?? m?v?m?nt ?nd the ??n???t m?? ?l?? b? r?f?rr?d to ?? ??rv?rl??? ?l?ud ??m?ut?ng, function ?? a ??rv??? (FaaS) or runt?m? ?? a service (R??S). W?th serverless ??m?ut?ng, d?v?l???r? d?n't h?v? to deal w?th managing m??h?n? instances ?n th? cloud. In?t??d, th?? ??n run ??d? ?n ?l?ud servers w?th?ut having to ??nf?gur? or m??nt??n th? ??rv?r? ?t all. Pricing is b???d ?n th? actual ?m?unt ?f resources ??n?um?d b? ?n ???l???t??n, rather th?n ?n ?r?-?ur?h???d units ?f ★★★★★★t?. Typically, ?f d?v?l???r? h??t th??r ???l???t??n? on virtual ??rv?r? b???d in the cloud, they h?v? to ??t u? ?nd m?n?g? those ??rv?r?, install operating ???t?m? on th?m, monitor th?m ?nd ??nt?nu?ll? update th? ??ftw?r?. W?th th? ??rv?rl??? model, a developer can wr?t? a function in h?? ?r her f?v?r?t? ?r?gr?mm?ng l?ngu?g? and ???t? ?t t? a serverless ?l?tf?rm. Th? ?l?ud ??rv??? provider manages th? infrastructure ?nd the software ?nd m??? the fun?t??n t? ?n API ?nd???nt, transparently scaling fun?t??n ?n?t?n??? on demand. S?rv?rl??? ??m?ut?ng ?l??? ?n ?m??rt?nt part ?n digital transformation. First, it ?n?bl?? d?v?l???r? t? b? more ?r?du?t?v? b? helping th?m focus ?n wr?t?ng ??d? th?t h?? bu??n??? v?lu?, w?th?ut having t? w?rr? about th? underlying ?nfr??tru?tur? that will ?u???rt th? ??d?. Regardless of vertical ?ndu?tr? ?r ??m??n? ??z?, a ??rv?rl??? ??m?ut?ng ?tr?t?g? can h?l? ?n?r???? d?v?l???r ?r?du?t?v?t? b? eliminating m?n?g?m?nt overhead.