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Configure HAProxy for TCP or HTTP load balancing, SSL/TLS termination, and ACL-based routing. Use when creating or editing haproxy.cfg files for frontends, backends, and listen sections.
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| name | configure-haproxy |
| description | Configure HAProxy for TCP or HTTP load balancing, SSL/TLS termination, and ACL-based routing. Use when creating or editing haproxy.cfg files for frontends, backends, and listen sections. |
| license | Apache-2.0 |
| compatibility | Requires HAProxy 2.8+ (LTS). Available as haproxy:lts-alpine Docker image. |
| metadata | {"author":"proxy-tools","version":"1.0"} |
| allowed-tools | docker bash |
HAProxy configuration has four main sections: global, defaults, frontend, and backend.
global
log stdout format raw local0 info
maxconn 50000
defaults
log global
mode http # or tcp for L4
option httplog
timeout connect 5s
timeout client 30s
timeout server 30s
frontend http_front
bind *:80
default_backend app_back
backend app_back
balance roundrobin
option httpchk GET /healthz
server web1 web1.internal:8080 check
server web2 web2.internal:8080 check
| Mode | Use case |
|---|---|
http | HTTP/1.1 and HTTP/2 (L7) — inspect/route by URL, headers |
tcp | Raw TCP proxy (L4) — databases, SMTP, Redis |
roundrobin | leastconn | source (IP hash) | uri | random
haproxy/examples/:
http-proxy.cfg — HTTP load balancing with health checkstcp-proxy.cfg — TCP (MySQL, Redis)ssl-termination.cfg — HTTPS terminationacl-routing.cfg — Route by host/path/IPhaproxy -c -f haproxy/haproxy.cfg
# or via Docker:
docker run --rm -v $(pwd)/haproxy/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro \
haproxy:lts-alpine haproxy -c -f /usr/local/etc/haproxy/haproxy.cfg
docker compose -f haproxy/docker-compose.yml up -dhttp://localhost:8404/statsHAProxy expects a single PEM file: cat fullchain.pem privkey.pem > server.pem
haproxy/