Build distributed applications with ease using Dapr - Dev070 Meetup

Transcript

1. Dapr 101:
   start building
   distributed apps
   with ease
   

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2. 2
   Azure MVP
   Dapr Community
   Manager
   ❤️ pixel art
   Marc Duiker
   Sr Dev Advocate
   [email protected]
   

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3. 3
   

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4. 4
   Demos!
   What is
   Dapr?
   When to
   use Dapr?
   Why use
   Dapr?
   Q&A +
   swag
   

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5. What is Dapr?
   5
   

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6. 6
   E-commerce system
   State
   Management
   Email Payment
   Front-end
   Shipping
   Checkout
   Inventory
   Cart
   Internet
   Queue
   I just want to
   trace my calls
   end-to-end.
   How do I encrypt
   calls with ongoing
   cert rotation?
   How do applications
   discover and call
   each other?
   How do I handle
   failed calls and
   perform retries?
   How do I secure
   access to my
   data layer?
   How do I handle
   state conflicts
   from multiple
   apps?
   How do I
   measure latency
   on my database?
   How do I
   orchestrate
   business logic
   transactions?
   How do I send
   messages to many
   applications?
   Developer
   challenges
   

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7. 7
   Distributed
   application
   runtime
   

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8. Dapr is a portable, event-
   driven, runtime for building
   distributed applications across
   cloud and edge.
   8
   

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9. 9
   virtual or
   physical machines
   

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10. 10
    Why use Dapr?
    

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11. Speeds up microservice
    development by providing
    a common set of building
    block APIs.
    11
    

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12. 12
    Service
    invocation
    State
    Management
    Publish &
    subscribe
    Bindings
    (input & output)
    Actors Secret
    Stores
    Configuration
    Observability
    Workflows
    Distributed Lock
    Building block APIs
    

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13. 13
    HTTP/gRPC
    Dapr API
    Dapr sidecar
    Application
    App
    

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14. 14
    POST http://localhost:3500/v1.0/invoke/cart/method/order
    GET http://localhost:3500/v1.0/state/inventory/item67
    POST http://localhost:3500/v1.0/publish/order
    GET http://localhost:3500/v1.0/secrets/vault/password42
    POST http://localhost:3500/v1.0-alpha1/workflows/dapr/businessprocess/1234/start
    HTTP/gRPC
    Dapr API
    App
    

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15. 15
    Python
    Java
    Script
    Java
    Go
    Client
    SDKs
    C#
    

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16. 16
    10th largest
    CNCF project
    Submitted
    to CNCF
    Nov 2021
    Incubation
    maturity
    level
    www.cncf.io/projects/dapr/
    Dapr project
    

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17. 17
    

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18. 18
    20.5K
    GitHub stars
    2.5K
    Contributors
    +1M
    Docker pulls
    / month
    290k
    Unique doc
    views / month
    5.9k
    Discord
    members
    18
    

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19. 19
    Contributing organizations
    

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20. 20
    Dapr users
    

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21. 21
    Bindings
    Configuration
    State
    Management
    Publish &
    subscribe
    Observability
    Actors
    Secret
    Stores
    Workflows
    Distributed
    Lock
    Components
    AWS
    DynamoDB
    Azure
    CosmosDB
    GCP
    Firebase
    Redis
    Cassandra
    AWS
    SQS
    Azure
    Service Bus
    GCP
    Pub/Sub
    Redis
    RabbitMQ
    AWS
    Secrets mngr
    Azure
    KeyVault
    GCP
    Secret mngr
    HashiCorp
    Vault
    Kubernetes
    Secrets
    AWS
    DynamoDB
    Azure
    CosmosDB
    Redis
    MongoDB
    Postgres
    AWS
    S3
    Azure
    Storage
    GCP
    Storage
    Twilio
    Kafka
    Jeager
    Zipkin
    Prometheus
    App
    Insights
    Datadog
    Redis
    Redis Azure App
    Configuration
    Dapr
    Workflow
    Building Block APIs
    

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22. 22
    App
    CosmosDB
    

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23. 23
    Sidecar
    App
    CosmosDB
    metadata:
    name: mystorage
    spec:
    type: state.azure.cosmosdb
    metadata:
    - name:
    value:
    state.save()
    state.get()
    yaml
    

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24. 24
    Redis
    metadata:
    name: mystorage
    spec:
    type: state.redis
    metadata:
    - name:
    value:
    Sidecar
    App
    state.save()
    state.get()
    yaml
    

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25. 25
    Dapr APIs are cloud agnostic.
    Do they implement the lowest
    common denominator?
    

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26. 26
    Building block APIs are
    basic, by design. Dapr adds a
    lot of functionality.
    

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27. 27
    https://docs.dapr.io/reference/components-reference/supported-state-stores/
    

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28. 28
    https://docs.dapr.io/developing-applications/building-blocks/pubsub/pubsub-cloudevents/
    

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29. 29
    

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30. 30
    Unified API with flexibility
    at the component level.
    

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31. 31
    Is Dapr a service mesh?
    

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32. 32
    No.
    

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33. 33
    Dapr & service mesh similarities:
    Distributed
    Tracing
    Secure
    Communication
    Metric
    Collection
    

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34. 34
    Developer centric
    docs.dapr.io/concepts/service-mesh/
    Building block APIs & components
    Infrastructure centric
    Service
    mesh
    ≠
    Network traffic & Routing
    

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35. When to use Dapr?
    35
    

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36. 36
    You are in a large organisation
    with many different teams or
    tech stacks.
    

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37. Greenfield projects: postpone
    your architecture decisions.
    37
    

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38. When not to use Dapr?
    38
    

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39. 39
    If your team is allergic to
    containers & Kubernetes ;)
    

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40. Building block demos
    40
    github.com/dapr/quickstarts
    

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41. 41
    Service
    invocation
    Checkout
    Order
    processor
    POST
    

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42. 42
    Publish &
    subscribe
    Checkout
    Order
    processor
    

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43. 43
    State
    Management
    Redis
    Order
    processor
    

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44. 44
    The workflow engine
    

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45. 45
    Your
    Workflow
    App
    Workflow
    engine
    Append-only
    state store
    

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46. 46
    Your
    Workflow
    App
    Contains definition of
    a sequence of
    activities
    Schedules and manages
    activity executions
    (incl resiliency)
    Contains workflow
    state, input and
    outputs of activities
    

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47. 47
    Workflows
    Activity 1
    Activity 3
    Activity 2
    End
    Start Chaining
    

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48. 48
    Workflows
    Activity 1 Activity 3
    Activity 2
    End
    Start
    Fan-out
    fan-in
    

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49. Join the Dapr Discord!
    bit.ly/dapr-discord
    

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