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docker-easy-haproxy/examples/swarm/jwt-validator.yml
Joao Gilberto Magalhaes f75cb8aab2 Add comprehensive plugin usage examples for Docker, Kubernetes, and Swarm
- Introduced multiple detailed plugin examples for Cloudflare IP restoration, IP whitelisting, JWT validation, and combined usage.
- Added configurations for `docker-compose`, `Kubernetes`, and `Swarm` showcasing individual and multi-plugin use cases.
- Included clear prerequisites, setup steps, and testing procedures for each example.
- Documented advanced scenarios like path blocking, custom IP lists, and JWT validation for production environments.
2025-11-27 19:31:15 -05:00

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YAML

# JWT Validator Plugin Example for Docker Swarm
#
# This example demonstrates JWT token validation for API protection in Swarm
#
# Prerequisites:
# 1. Docker Swarm initialized:
# docker swarm init
#
# 2. Create overlay network:
# docker network create --driver overlay --attachable easyhaproxy
#
# 3. Generate JWT keys and create Docker config:
# openssl genrsa -out jwt_private.pem 2048
# openssl rsa -in jwt_private.pem -pubout -out jwt_pubkey.pem
# docker config create jwt_api_pubkey jwt_pubkey.pem
#
# 4. Deploy the stack:
# docker stack deploy -c jwt-validator.yml api
#
# 5. Test without token (should fail):
# curl http://<swarm-ip>/
# # Response: Missing Authorization HTTP header
#
# 6. Generate test JWT at https://jwt.io with:
# - Algorithm: RS256
# - Payload: {"iss":"https://auth.example.com/","aud":"https://api.example.com","exp":9999999999}
# - Use your jwt_private.pem for signing
#
# 7. Test with token:
# TOKEN="eyJhbGc..."
# curl -H "Authorization: Bearer $TOKEN" http://<swarm-ip>/
# # Response: Success
version: "3.7"
services:
haproxy:
image: byjg/easy-haproxy:4.6.0
volumes:
- /var/run/docker.sock:/var/run/docker.sock
configs:
- source: jwt_api_pubkey
target: /etc/haproxy/jwt_keys/api_pubkey.pem
deploy:
replicas: 1
placement:
constraints:
- node.role == manager
environment:
EASYHAPROXY_DISCOVER: swarm
HAPROXY_USERNAME: admin
HAPROXY_PASSWORD: password
HAPROXY_STATS_PORT: 1936
ports:
- "80:80/tcp"
- "1936:1936/tcp"
networks:
- easyhaproxy
# Protected API service
api:
image: byjg/static-httpserver
environment:
TITLE: "Protected API - JWT Required"
deploy:
replicas: 5
labels:
easyhaproxy.http.host: "api.example.com"
easyhaproxy.http.port: "80"
easyhaproxy.http.localport: "8080"
# Enable JWT validator plugin
easyhaproxy.http.plugins: "jwt_validator"
# JWT validator configuration
easyhaproxy.http.plugin.jwt_validator.algorithm: "RS256"
easyhaproxy.http.plugin.jwt_validator.issuer: "https://auth.example.com/"
easyhaproxy.http.plugin.jwt_validator.audience: "https://api.example.com"
easyhaproxy.http.plugin.jwt_validator.pubkey_path: "/etc/haproxy/jwt_keys/api_pubkey.pem"
networks:
- easyhaproxy
networks:
easyhaproxy:
external: true
configs:
jwt_api_pubkey:
external: true