IoT Powered by MicroProfile - MakeIT

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MakeIT Slovenia IoT Powered by MicroProﬁle Rustam Mehmandarov @RMehmandarov Mads Opheim @MadsOpheim

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Dober dan! 2

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Why? 3 The Motivation

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New oﬃce, new lights Just Add Coﬀee. And Enterprise Developers. 4

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5 The Architecture

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MicroProﬁle In Practice. 6

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Community - individuals, organizations, vendors 7

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Current MicroProfile implementations 8

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Eclipse MicroProfile 3.0 (Jun 2019) 9 MicroProfile 3.0 JAX-RS 2.1 JSON-P 1.1 CDI 2.0 Config 1.3 Fault Tolerance 2.0 JWT Propagation 1.1 Health Check 2.0 Metrics 2.0 Open Tracing 1.3 Open API 1.1 = Updated = No change from last release (MicroProfile 2.2) = New Rest Client 1.3 JSON-B 1.0

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10 MicroProﬁle is lightweight! https://dzone.com/articles/microprofile-5-things-you-need-to-know

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11 MicroProﬁle in the Lightning Control Service

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12 The Architecture

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13 CDI

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14 JAX-RS and JSON-P

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15 MicroProﬁle in the Gateway Service

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16 The Architecture

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17 Conﬁg

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18 Health Check: Response – Happy Days

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19 Health Check: Response – Not So Happy Days

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20 Health Check: HowTo - OLD (pre-MP 3.0)

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21 Health Check: Liveness http://localhost:/health/live

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22 Health Check: Readiness http://localhost:/health/ready

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23 Metrics

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24 Application-speciﬁc Metrics

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25 Fault Tolerance – Retry and Circuit Breaker

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26 Fault Tolerance – Timeout

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27 Fault Tolerance – Fallback

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28 REST Client

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29 REST Client There be dragons.

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30 Maturity

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31 MicroProﬁle in the Time and Weather Services

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32 The Architecture

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33 OpenAPI

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34 OpenAPI

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35 DEMO

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36 Things We’ve Learned

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New, cool things keep on coming! 37

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39 Lombok - YAGNI?

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40 Inject Logger - YAGNI?

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41 A Better Logger

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App servers diﬀer... 42

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44 Other Cool Techy Stuﬀ

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45 Local Maven Repo

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46 Faking an API

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Future Work 48

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Eclipse MicroProfile 3.0 (Jun 2019) 49 MicroProfile 3.0 JAX-RS 2.1 JSON-P 1.1 CDI 2.0 Config 1.3 Fault Tolerance 2.0 JWT Propagation 1.1 Health Check 2.0 Metrics 2.0 Open Tracing 1.3 Open API 1.1 = Updated = No change from last release (MicroProfile 2.2) = New Rest Client 1.3 JSON-B 1.0

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50 Open Tracing

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51 JWT Auth

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Eclipse MicroProfile 3.1 53 Roadmap Standalone Context Propagation 1.0 LRA 1.0 Reactive Streams Operators 1.1 Outside umbrella GraphQL 1.0 MicroProfile 3.1 JAX-RS 2.1 JSON-P 1.1 CDI 2.0 Config 1.4 Fault Tolerance 2.0 JWT Propagation 1.1 Health Check 2.0 Metrics 2.0 Open Tracing 1.3 Open API 2.0 = Updated = No change from last release (MicroProfile 3.0) = New Rest Client 1.3 JSON-B 1.0 Reactive Messaging 1.0

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Everything’s on GitHub! 56 https://github.com/mehmandarov/microproﬁle-iot More info on https://microproﬁle.io

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Some links: 57 https://github.com/mehmandarov/microprofile-iot https://mehmandarov.com/microprofile-101-part1 https://madsop.github.io/microservices-with-microprofile More info on https://microprofile.io

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Thanks! @MadsOpheim @RMehmandarov 58