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galaxy-game/tools/local-dev/docker-compose.yml
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Ilia Denisov 5867afd168 local-dev: parameterize host-port mappings via LOCAL_DEV_*_PORT 
The compose stack hard-coded host ports (postgres 5433, redis 6380,
mailpit 8025, gateway REST 8080, gateway gRPC 9090) — fine for a
clean dev machine, painful when those ports collide with other
services on the same host (e.g. a `crowdsec` sitting on
127.0.0.1:8080 or a Prometheus instance on :9090).

Every host-port mapping is now `${LOCAL_DEV_*_PORT:-<old-default>}`,
so the defaults match prior behaviour for everyone and a per-host
override is a single environment variable away. `.env` carries the
overrides as commented-out lines so the customisation surface is
discoverable without grepping the compose file. README's
"Port 8080 already in use" troubleshooting entry now points at the
new variables and the optional `docker-compose.override.yml`
workflow.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-11 10:23:42 +02:00

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# Local development stack for the Galaxy UI.
#
# Brings up postgres + redis + mailpit + backend + gateway so the UI
# Vite dev server (run on the host with `pnpm -C ui/frontend dev`) can
# talk to a real authenticated stack without any cloud dependency.
#
# Browser: http://localhost:8080 (gateway public REST + Connect-Web)
# Mailpit UI: http://localhost:8025
# Postgres: localhost:5433 (host-mapped)
# Redis: localhost:6380 (host-mapped)
#
# Bring up: make -C tools/local-dev up
# Tear down: make -C tools/local-dev down
# Wipe state: make -C tools/local-dev clean
#
# The backend reads `BACKEND_AUTH_DEV_FIXED_CODE=123456` from the
# `.env` file alongside this compose; ConfirmEmailCode accepts that
# literal in addition to the real bcrypt-verified code, so a developer
# can log in without touching Mailpit. Real codes still arrive in
# Mailpit; both paths coexist.
services:
postgres:
image: postgres:16-alpine
container_name: galaxy-local-dev-postgres
restart: unless-stopped
environment:
POSTGRES_USER: galaxy
POSTGRES_PASSWORD: galaxy
POSTGRES_DB: galaxy_backend
ports:
- "${LOCAL_DEV_POSTGRES_PORT:-5433}:5432"
volumes:
- postgres-data:/var/lib/postgresql/data
networks:
- galaxy-net
healthcheck:
test: ["CMD-SHELL", "pg_isready -U galaxy -d galaxy_backend"]
interval: 3s
timeout: 3s
retries: 30
start_period: 5s
redis:
image: redis:7-alpine
container_name: galaxy-local-dev-redis
restart: unless-stopped
command:
- redis-server
- --requirepass
- galaxy-dev
- --appendonly
- "no"
- --save
- ""
ports:
- "${LOCAL_DEV_REDIS_PORT:-6380}:6379"
networks:
- galaxy-net
healthcheck:
test: ["CMD", "redis-cli", "-a", "galaxy-dev", "PING"]
interval: 3s
timeout: 3s
retries: 30
start_period: 3s
mailpit:
image: axllent/mailpit:v1.21
container_name: galaxy-local-dev-mailpit
restart: unless-stopped
ports:
- "${LOCAL_DEV_MAILPIT_PORT:-8025}:8025"
networks:
- galaxy-net
healthcheck:
test: ["CMD", "wget", "-q", "-O-", "http://localhost:8025/livez"]
interval: 3s
timeout: 3s
retries: 30
start_period: 3s
backend:
build:
context: ../..
dockerfile: tools/local-dev/backend.Dockerfile
image: galaxy/backend:local-dev
container_name: galaxy-local-dev-backend
restart: unless-stopped
user: "0:0"
depends_on:
postgres:
condition: service_healthy
mailpit:
condition: service_healthy
environment:
BACKEND_LOGGING_LEVEL: debug
BACKEND_HTTP_LISTEN_ADDR: ":8080"
BACKEND_GRPC_PUSH_LISTEN_ADDR: ":8081"
BACKEND_POSTGRES_DSN: "postgres://galaxy:galaxy@postgres:5432/galaxy_backend?search_path=backend&sslmode=disable"
BACKEND_SMTP_HOST: mailpit
BACKEND_SMTP_PORT: "1025"
BACKEND_SMTP_FROM: "galaxy-backend@galaxy.local"
BACKEND_SMTP_TLS_MODE: none
BACKEND_DOCKER_NETWORK: galaxy-local-dev-net
BACKEND_GAME_STATE_ROOT: /tmp/galaxy-game-state
BACKEND_GEOIP_DB_PATH: /var/lib/galaxy/geoip.mmdb
BACKEND_NOTIFICATION_ADMIN_EMAIL: admin@galaxy.local
BACKEND_AUTH_CHALLENGE_THROTTLE_MAX: "100"
BACKEND_MAIL_WORKER_INTERVAL: 500ms
BACKEND_NOTIFICATION_WORKER_INTERVAL: 500ms
BACKEND_OTEL_TRACES_EXPORTER: none
BACKEND_OTEL_METRICS_EXPORTER: none
BACKEND_AUTH_DEV_FIXED_CODE: ${BACKEND_AUTH_DEV_FIXED_CODE:-}
BACKEND_DEV_SANDBOX_EMAIL: ${BACKEND_DEV_SANDBOX_EMAIL:-}
BACKEND_DEV_SANDBOX_ENGINE_IMAGE: ${BACKEND_DEV_SANDBOX_ENGINE_IMAGE:-}
BACKEND_DEV_SANDBOX_ENGINE_VERSION: ${BACKEND_DEV_SANDBOX_ENGINE_VERSION:-}
BACKEND_DEV_SANDBOX_PLAYER_COUNT: ${BACKEND_DEV_SANDBOX_PLAYER_COUNT:-}
volumes:
- /var/run/docker.sock:/var/run/docker.sock
# Per-game state directories live under the same absolute path
# both inside the backend container and on the Docker daemon
# host (colima VM), so the bind-mount source the backend hands
# to the daemon resolves correctly when spawning engine
# containers. See backend/internal/runtime/service.go:454.
- type: bind
source: /tmp/galaxy-game-state
target: /tmp/galaxy-game-state
bind:
create_host_path: true
- ../../pkg/geoip/test-data/test-data/GeoIP2-Country-Test.mmdb:/var/lib/galaxy/geoip.mmdb:ro
networks:
- galaxy-net
healthcheck:
test: ["CMD", "wget", "-q", "-O-", "http://localhost:8080/healthz"]
interval: 3s
timeout: 3s
retries: 60
start_period: 10s
gateway:
build:
context: ../..
dockerfile: tools/local-dev/gateway.Dockerfile
image: galaxy/gateway:local-dev
container_name: galaxy-local-dev-gateway
restart: unless-stopped
depends_on:
backend:
condition: service_healthy
redis:
condition: service_healthy
environment:
GATEWAY_LOG_LEVEL: debug
GATEWAY_PUBLIC_HTTP_ADDR: ":8080"
GATEWAY_AUTHENTICATED_GRPC_ADDR: ":9090"
GATEWAY_BACKEND_HTTP_URL: "http://backend:8080"
GATEWAY_BACKEND_GRPC_PUSH_URL: "backend:8081"
GATEWAY_BACKEND_GATEWAY_CLIENT_ID: local-dev-gateway-1
GATEWAY_RESPONSE_SIGNER_PRIVATE_KEY_PEM_PATH: /run/secrets/gateway-response.pem
GATEWAY_REDIS_MASTER_ADDR: "redis:6379"
GATEWAY_REDIS_PASSWORD: galaxy-dev
# Loosen anti-abuse so a developer hammering the form does not
# rate-limit themselves between cycles.
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_PUBLIC_AUTH_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_PUBLIC_AUTH_RATE_LIMIT_BURST: "1000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_SEND_EMAIL_CODE_IDENTITY_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_SEND_EMAIL_CODE_IDENTITY_RATE_LIMIT_BURST: "1000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_CONFIRM_EMAIL_CODE_IDENTITY_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_CONFIRM_EMAIL_CODE_IDENTITY_RATE_LIMIT_BURST: "1000"
# public_misc class wraps the authenticated EdgeGateway gRPC
# endpoints (ExecuteCommand, SubscribeEvents). The gateway's
# default for this class is 0 bytes, which rejects every
# non-empty body with HTTP 413; override with a generous limit
# so browser-side commands carrying signed envelopes go through.
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_PUBLIC_MISC_MAX_BODY_BYTES: "131072"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_PUBLIC_MISC_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_PUBLIC_MISC_RATE_LIMIT_BURST: "1000"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_BROWSER_BOOTSTRAP_MAX_BODY_BYTES: "65536"
GATEWAY_PUBLIC_HTTP_ANTI_ABUSE_BROWSER_ASSET_MAX_BODY_BYTES: "65536"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_IP_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_IP_RATE_LIMIT_BURST: "1000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_SESSION_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_SESSION_RATE_LIMIT_BURST: "1000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_USER_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_USER_RATE_LIMIT_BURST: "1000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_MESSAGE_CLASS_RATE_LIMIT_REQUESTS: "10000"
GATEWAY_AUTHENTICATED_GRPC_ANTI_ABUSE_MESSAGE_CLASS_RATE_LIMIT_BURST: "1000"
ports:
- "${LOCAL_DEV_GATEWAY_REST_PORT:-8080}:8080"
# Authenticated EdgeGateway connect-web/gRPC listener. The
# browser reaches it via the Vite dev proxy in
# ui/frontend/vite.config.ts.
- "${LOCAL_DEV_GATEWAY_GRPC_PORT:-9090}:9090"
volumes:
- ./keys/gateway-response.pem:/run/secrets/gateway-response.pem:ro
networks:
- galaxy-net
healthcheck:
test: ["CMD", "wget", "-q", "-O-", "http://localhost:8080/healthz"]
interval: 3s
timeout: 3s
retries: 30
start_period: 5s
networks:
galaxy-net:
name: galaxy-local-dev-net
volumes:
postgres-data:
name: galaxy-local-dev-postgres-data
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