feat: add Docker and Kubernetes infrastructure for training, inference and dashboard services

Author: ciro-maciel

infra/README.md

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+# Infraestrutura (conceitual)
+
+Este diretório contém artefatos de infraestrutura para executar o monorepo em ambientes conteinerizados ou orquestrados.
+
+Estrutura:
+- docker/
+  - Dockerfile.inference: imagem do serviço de inferência (Elysia/Bun)
+  - Dockerfile.dashboard: imagem do dashboard (Vite -> Nginx)
+  - Dockerfile.training: imagem para job de treinamento on-demand
+- docker-compose.yml: orquestração local dos serviços (inference + dashboard). O serviço de training está em profile opcional.
+- k8s/
+  - inference-deployment.yaml, inference-service.yaml
+  - dashboard-deployment.yaml, dashboard-service.yaml
+
+Observações:
+- Artefatos de modelo ficam centralizados em `artifacts/` na raiz e são montados nos containers.
+- O banco SQLite (`inference/main.db`) é compartilhado entre treino e inferência. No compose, o DB é efêmero por simplicidade; pode-se bind-mount conforme necessidade.
+- As imagens no diretório k8s são placeholders; ajuste com seu registry.

infra/docker-compose.yml

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+version: "3.9"
+
+services:
+  inference:
+    build:
+      context: ..
+      dockerfile: infra/docker/Dockerfile.inference
+    ports:
+      - "3001:3001"
+    volumes:
+      - ../artifacts:/app/artifacts
+      - inference_data:/app/inference
+    working_dir: /app
+
+  dashboard:
+    build:
+      context: ..
+      dockerfile: infra/docker/Dockerfile.dashboard
+    ports:
+      - "8080:80"
+    depends_on:
+      - inference
+
+  training:
+    build:
+      context: ..
+      dockerfile: infra/docker/Dockerfile.training
+    volumes:
+      - ../artifacts:/app/artifacts
+      - inference_data:/app/inference
+      - ../data:/app/data
+    profiles: ["training"]
+
+volumes:
+  inference_data:

infra/docker/Dockerfile.dashboard

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+# syntax=docker/dockerfile:1
+# Build
+FROM oven/bun:1 as builder
+WORKDIR /app
+COPY . .
+RUN bun install --ci
+RUN bun --cwd dashboard run build
+
+# Runtime
+FROM nginx:alpine
+COPY --from=builder /app/dashboard/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

infra/docker/Dockerfile.inference

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+# syntax=docker/dockerfile:1
+FROM oven/bun:1
+WORKDIR /app
+
+# Copia o monorepo inteiro (conceitual/simples)
+COPY . .
+
+# Instala dependências (workspaces)
+RUN bun install --ci
+
+EXPOSE 3001
+CMD ["bun", "run", "inference/src/index.js"]

infra/docker/Dockerfile.training

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+# syntax=docker/dockerfile:1
+FROM oven/bun:1
+WORKDIR /app
+
+COPY . .
+RUN bun install --ci
+
+# Perfil de job: executa e finaliza
+CMD ["bun", "--cwd", "training", "run", "train"]

infra/k8s/dashboard-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dashboard
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: dashboard
+  template:
+    metadata:
+      labels:
+        app: dashboard
+    spec:
+      containers:
+        - name: dashboard
+          image: ghcr.io/your-org/spamguard-dashboard:latest
+          ports:
+            - containerPort: 80

infra/k8s/dashboard-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: dashboard
+spec:
+  selector:
+    app: dashboard
+  ports:
+    - name: http
+      port: 80
+      targetPort: 80
+      protocol: TCP
+  type: ClusterIP

infra/k8s/inference-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: inference
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: inference
+  template:
+    metadata:
+      labels:
+        app: inference
+    spec:
+      containers:
+        - name: inference
+          image: ghcr.io/your-org/spamguard-inference:latest
+          ports:
+            - containerPort: 3001
+          volumeMounts:
+            - name: artifacts
+              mountPath: /app/artifacts
+            - name: inference-data
+              mountPath: /app/inference
+      volumes:
+        - name: artifacts
+          emptyDir: {}
+        - name: inference-data
+          emptyDir: {}

infra/k8s/inference-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: inference
+spec:
+  selector:
+    app: inference
+  ports:
+    - name: http
+      port: 3001
+      targetPort: 3001
+      protocol: TCP
+  type: ClusterIP