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chore: docker-compose.yml (app + frontend + jaeger) #35

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Merged
constk merged 1 commit into from
Apr 26, 2026
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chore: docker-compose.yml (app + frontend + jaeger) #35

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44 changes: 44 additions & 0 deletions docker-compose.yml
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# Local dev topology: backend (FastAPI) + frontend (Vite dev server) + Jaeger
# (OTLP collector + UI). One command to a working stack with traces.
#
# `docker compose up` brings the three services up on their published ports.
# Backend at http://localhost:8000, frontend at http://localhost:5173, Jaeger
# UI at http://localhost:16686. The frontend image (built by ticket #21) ships
# the Vite dev server bound to 0.0.0.0:5173 so HMR works through the published
# port.

services:
app:
build: .
ports:
- "8000:8000"
env_file:
- path: .env
required: false
depends_on:
- jaeger
environment:
# OTLP gRPC endpoint inside the compose network — the SDK auto-detects
# OTEL_EXPORTER_OTLP_ENDPOINT and emits to Jaeger's OTLP receiver.
- OTEL_EXPORTER_OTLP_ENDPOINT=http://jaeger:4317
- OTEL_EXPORTER_OTLP_PROTOCOL=grpc
- OTEL_SERVICE_NAME=harness-python-react

frontend:
build: ./frontend
ports:
- "5173:5173"
depends_on:
- app
# Bind-mount the source so Vite HMR sees host edits. node_modules stays
# inside the container so platform-native deps aren't shadowed.
volumes:
- ./frontend:/app
- /app/node_modules

jaeger:
image: jaegertracing/all-in-one:latest
ports:
- "16686:16686" # Jaeger UI
- "4317:4317" # OTLP gRPC
- "4318:4318" # OTLP HTTP