services:

# --- LogicPaper Core Service ---

# Hosts FastAPI Backend & LibreOffice Engine

logicpaper-app:

build:

context: .

dockerfile: Dockerfile

target: production

image: logicpaper:v1.4.1

container_name: logicpaper_core

restart: unless-stopped

security_opt:

- no-new-privileges:true

env_file:

- .env

ports:

- "127.0.0.1:8000:8000"

volumes:

# 1. Data Persistence:

# Maps local './data' to container '/data'

# Allows viewing generated ZIPs/PDFs from the host machine

- ./data:/data

# 2. Code Hot-Reloading (Development):

# Maps local source code to container paths

# Changes in Python or HTML reflect immediately without rebuilding

- ./app:/app/app

- ./static:/app/static

# 3. Templates Storage:

- ./persistent_templates:/app/persistent_templates

networks:

- logicpaper_internal

- logicpaper_public

depends_on:

# Ensures the app only starts after Redis

redis:

condition: service_healthy

# Resource Limits (Stability Guardrails)

# LibreOffice conversion is CPU/RAM intensive

# These limits prevent the container from crashing the host system

deploy:

resources:

limits:

cpus: '2.0' # Cap at 2 CPU cores

memory: 2G # Cap at 2GB RAM

reservations:

memory: 512M # Reserve minimal 512MB RAM

healthcheck:

test: ["CMD", "curl", "-f", "http://localhost:8000/health"]

interval: 30s

timeout: 10s

retries: 3

start_period: 10s

# --- Redis ---

redis:

image: redis:7-alpine

container_name: logicpaper_redis

restart: always

networks:

- logicpaper_internal

volumes:

- redis_data:/data

command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru

healthcheck:

test: ["CMD", "redis-cli", "ping"]

interval: 10s

timeout: 5s

retries: 5

# --- Networking ---

networks:

logicpaper_internal:

internal: true

logicpaper_public:

driver: bridge

# --- Volumes ---

volumes:

redis_data: