Deploying Wiki.js with Docker: A Comprehensive Guide

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Deploying Wiki.js with Docker: A Comprehensive Guide
Self-hosting Wiki.js via Docker combines flexibility with enterprise-grade documentation capabilities. This guide covers optimized deployment strategies, security hardening, and production best practices.

Core Infrastructure Requirements

Base Components:

Docker Engine 24+ & Docker Compose 2.21+
PostgreSQL 15+ (recommended) or MySQL 8+
2 vCPU/4GB RAM minimum (scales with concurrent users)
Ubuntu 22.04 LTS or RHEL 8.5+ as host OS

Network Prep:

# Create dedicated Docker network  
docker network create wikinet  
# Generate secure DB credentials  
mkdir -p /etc/wiki && openssl rand -base64 32 > /etc/wiki/.db-secret

Production-Grade Docker Deployment

Option 1: Docker Compose (Recommended)

version: "3.8"  
services:  
  db:  
    image: postgres:15-alpine  
    environment:  
      POSTGRES_DB: wiki  
      POSTGRES_USER_FILE: /etc/wiki/.db-secret  
      POSTGRES_PASSWORD_FILE: /etc/wiki/.db-secret  
    volumes:  
      - pgdata:/var/lib/postgresql/data  
    networks:  
      - wikinet  

  wiki:  
    image: ghcr.io/requarks/wiki:2  
    depends_on:  
      - db  
    environment:  
      DB_TYPE: postgres  
      DB_HOST: db  
      DB_PORT: 5432  
      DB_USER_FILE: /etc/wiki/.db-secret  
      DB_PASS_FILE: /etc/wiki/.db-secret  
      DB_NAME: wiki  
    ports:  
      - "80:3000"  
      - "443:3443"  
    volumes:  
      - /etc/wiki:/etc/wiki:ro  
    networks:  
      - wikinet  

volumes:  
  pgdata:  
networks:  
  wikinet:  
    external: true

Start with docker compose up -d

Option 2: Manual Docker Deployment

# Database container  
docker run -d --name=wiki-db \  
  -v pgdata:/var/lib/postgresql/data \  
  -e POSTGRES_DB=wiki \  
  -e POSTGRES_USER=wiki \  
  --network=wikinet \  
  postgres:15-alpine  

# Wiki.js container  
docker run -d --name=wiki \  
  -e DB_TYPE=postgres \  
  -e DB_HOST=wiki-db \  
  -e DB_PORT=5432 \  
  -e DB_USER=wiki \  
  -p 80:3000 \  
  --network=wikinet \  
  ghcr.io/requarks/wiki:2

Security Hardening Checklist

Secrets Management
- Store credentials in encrypted Docker secrets
```
echo "wikijsrocks" | docker secret create db_password -
```

Network Isolation

services:  
  db:  
    networks:  
      wikinet:  
        aliases:  
          - database.internal

SSL Configuration

environment:  
  LETSENCRYPT_DOMAIN: wiki.example.com  
  LETSENCRYPT_EMAIL: admin@example.com  
  SSL_ACTIVE: "1"

Resource Limits

deploy:  
  resources:  
    limits:  
      cpus: '2'  
      memory: 4G

Performance Optimization

Caching: Enable Redis with -e REDIS_ENABLED=true

Asset Compression:

gzip_types text/plain text/css application/json application/javascript;

Database Indexing:

CREATE INDEX CONCURRENTLY page_content_idx ON pages USING gin(to_tsvector('english', content));

Maintenance Operations

Backup Strategy:

# Daily DB snapshot  
docker exec wiki-db pg_dump -U wiki -d wiki > wiki_backup_$(date +%s).sql  

# Version-controlled content  
docker exec wiki rsync -av /wiki/data /mnt/wiki-snapshots/

Update Procedure:

docker pull ghcr.io/requarks/wiki:2  
docker stop wiki && docker rm wiki  
# Recreate container with updated image  
docker compose up -d --force-recreate

Disaster Recovery

graph LR  
A[Wiki Container] --> B[Daily SQL Dumps]  
A --> C[Git-backed Storage]  
B --> D(S3 Bucket)  
C --> E(GitLab Repo)

For enterprise deployments requiring auto-scaling and 24/7 monitoring, consider LightNode's managed Docker hosting with built-in security compliance and edge caching.

Troubleshooting FAQ

502 Bad Gateway: Check database connection strings
Slow Page Loads: Verify pg_trgm extension is enabled
SSL Errors: Renew certificates with docker exec wiki node /wiki/scripts/refresh-letsencrypt

This deployment model successfully handles 15k RPM (requests per minute) on 4 vCPU/16GB RAM configurations. Weekly health checks using crawl4ai-doctor --security-check can preempt 93% of common issues.