workflow/example/dependency-injection-example.yaml at main · GoCodeAlone/workflow · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
requires:
  plugins:
    - name: messaging
    - name: modular-compat
    - name: observability
    - name: workflow-plugin-http

modules:
  # Core services
  - name: config-provider
    type: static.fileserver
    config:
      root: "."

  - name: logger-service
    type: log.collector
    config:
      level: "info"
      format: "json"

  - name: metrics-service
    type: metrics.collector
    config:
      collectInterval: 10

  # Data services
  - name: cache-service
    type: cache.modular
    config:
      backend: "memory"
      maxSize: 1000
    dependsOn:
      - config-provider
      - logger-service

  - name: database-service
    type: database.workflow
    config:
      driver: "sqlite"
      dsn: ":memory:"
    dependsOn:
      - config-provider
      - logger-service

  # Business logic services
  - name: user-service
    type: http.handler
    dependsOn:
      - database-service
      - cache-service
      - logger-service

  - name: product-service
    type: http.handler
    dependsOn:
      - database-service
      - cache-service
      - logger-service

  - name: order-service
    type: http.handler
    dependsOn:
      - database-service
      - cache-service
      - user-service
      - product-service
      - logger-service

  # External interfaces
  - name: http-server
    type: http.server
    config:
      address: ":8080"
    dependsOn:
      - config-provider
      - logger-service
      - metrics-service

  - name: grpc-server
    type: http.server  # Originally grpc.server - using HTTP as gRPC is not yet supported
    config:
      address: ":9090"
    dependsOn:
      - config-provider
      - logger-service
      - metrics-service

  # API Components
  - name: http-router
    type: http.router
    dependsOn:
      - http-server

  - name: user-http-handler
    type: http.handler
    dependsOn:
      - user-service
      - logger-service

  - name: product-http-handler
    type: http.handler
    dependsOn:
      - product-service
      - logger-service

  - name: order-http-handler
    type: http.handler
    dependsOn:
      - order-service
      - logger-service

  # Messaging infrastructure
  - name: message-broker
    type: messaging.broker

  # Event handlers for messaging subscriptions
  - name: audit-handler
    type: messaging.handler
    config:
      description: "Handles audit logging for events"

  - name: notification-handler
    type: messaging.handler
    config:
      description: "Handles notification delivery for events"

workflows:
  http:
    routes:
      - method: GET
        path: /api/users
        handler: user-http-handler

      - method: GET
        path: /api/products
        handler: product-http-handler

      - method: GET
        path: /api/orders
        handler: order-http-handler

  messaging:
    subscriptions:
      - topic: users-events
        handler: audit-handler

      - topic: users-events
        handler: notification-handler

      - topic: products-events
        handler: audit-handler