Caddy allow HTTP with Api Platform - api-platform.com

Question

I know this question has been asked many times:
Caddy - How to disable https only for one domain
Disable caddy ssl to enable a deploy to Cloud Run through Gitlab CI
Caddy - Setting HTTPS on local domain
How can I disable TLS when running from Docker?
How to serve both http and https with Caddy?
but here is my problem.
Setup
I created a new Api Platform project following their documentation.
The easiest and most powerful way to get started is to download the API Platform distribution
I downloaded the release 2.5.6 in which we can find:
a docker-compose
a Dockerfile
a Caddyfile
and many others files.
docker-compose
I slightly change the docker compose file by removing the pwa service and PostgreSQL:
version: "3.4"
services:
php:
build:
context: ./api
target: api_platform_php
restart: unless-stopped
env_file:
- api/.env
volumes:
- php_socket:/var/run/php
healthcheck:
interval: 10s
timeout: 3s
retries: 3
start_period: 30s
caddy:
build:
context: api/
target: api_platform_caddy
env_file:
- api/.env
depends_on:
- php
environment:
MERCURE_PUBLISHER_JWT_KEY: ${MERCURE_PUBLISHER_JWT_KEY:-!ChangeMe!}
MERCURE_SUBSCRIBER_JWT_KEY: ${MERCURE_SUBSCRIBER_JWT_KEY:-!ChangeMe!}
restart: unless-stopped
volumes:
- php_socket:/var/run/php
- caddy_data:/data
- caddy_config:/config
ports:
# HTTP
- target: 80
published: 80
protocol: tcp
# HTTPS
- target: 443
published: 443
protocol: tcp
# HTTP/3
- target: 443
published: 443
protocol: udp
volumes:
php_socket:
caddy_data:
caddy_config:
Dockerfile
No changes
Caddyfile
Slight change by commenting the line reverse_proxy #pwa http://{$PWA_UPSTREAM}
{
# Debug
{$DEBUG}
# HTTP/3 support
servers {
protocol {
experimental_http3
}
}
}
{$SERVER_NAME}
log
# Matches requests for HTML documents, for static files and for Next.js files,
# except for known API paths and paths with extensions handled by API Platform
#pwa expression `(
{header.Accept}.matches("\\btext/html\\b")
&& !{path}.matches("(?i)(?:^/docs|^/graphql|^/bundles/|^/_profiler|^/_wdt|\\.(?:json|html$|csv$|ya?ml$|xml$))")
)
|| {path} == "/favicon.ico"
|| {path} == "/manifest.json"
|| {path} == "/robots.txt"
|| {path}.startsWith("/_next")
|| {path}.startsWith("/sitemap")`
route {
root * /srv/api/public
mercure {
# Transport to use (default to Bolt)
transport_url {$MERCURE_TRANSPORT_URL:bolt:///data/mercure.db}
# Publisher JWT key
publisher_jwt {env.MERCURE_PUBLISHER_JWT_KEY} {env.MERCURE_PUBLISHER_JWT_ALG}
# Subscriber JWT key
subscriber_jwt {env.MERCURE_SUBSCRIBER_JWT_KEY} {env.MERCURE_SUBSCRIBER_JWT_ALG}
# Allow anonymous subscribers (double-check that it's what you want)
anonymous
# Enable the subscription API (double-check that it's what you want)
subscriptions
# Extra directives
{$MERCURE_EXTRA_DIRECTIVES}
}
vulcain
push
# Add links to the API docs and to the Mercure Hub if not set explicitly (e.g. the PWA)
header ?Link `</docs.jsonld>; rel="http://www.w3.org/ns/hydra/core#apiDocumentation", </.well-known/mercure>; rel="mercure"`
# Disable Google FLOC tracking if not enabled explicitly: https://plausible.io/blog/google-floc
header ?Permissions-Policy "interest-cohort=()"
# Comment the following line if you don't want Next.js to catch requests for HTML documents.
# In this case, they will be handled by the PHP app.
# reverse_proxy #pwa http://{$PWA_UPSTREAM}
php_fastcgi unix//var/run/php/php-fpm.sock
encode zstd gzip
file_server
}
Result
I can acccss my website on https://localhost but I can't access it without https because caddy automatically redirect http traffic to https
Problem 1
When I try the solution auto_https it doesn't work.
Here what I tried:
Adding the auto_https disable_redirects or auto_https off
{
auto_https off
# Debug
{$DEBUG}
# HTTP/3 support
servers {
protocol {
experimental_http3
}
}
//...
}
When I try to access http://localhost:80, I got redirect to https://localhost and I got This site can’t provide a secure connection
Problem 2
When I try the solution:
Not providing any hostnames or IP addresses in the config
I remove {$SERVER_NAME} from my Caddyfile
When I try to access http://localhost:80, I got redirect to https://localhost and I got This site can’t provide a secure connection
Problem 3
When I try the solution:
Listening exclusively on the HTTP port
services:
# ...
caddy:
build:
context: api/
target: api_platform_caddy
#...
ports:
# HTTP
- target: 80
published: 80
protocol: tcp
# HTTPS
#- target: 443
# published: 443
# protocol: tcp
# HTTP/3
#- target: 443
# published: 443
# protocol: udp
When I try to access http://localhost:80, I got redirect to https://localhost and I got This site can’t be reached
Question
How can I allow http on my caddy server (and still keep my configuration with mercure in my Caddyfile) ?

Answer 1

I found a solution here:
https://github.com/caddyserver/caddy/issues/3219#issuecomment-608236439
Caddyfile
{
http_port 8080
# Debug
{$DEBUG}
# HTTP/3 support
servers {
protocol {
experimental_http3
}
}
//...
}
docker-compose
services:
caddy:
# ...
ports:
# HTTP
- target: 80
published: 80
protocol: tcp
- target: 8080
published: 8080
protocol: tcp
# HTTPS
- target: 443
published: 443
protocol: tcp
# HTTP/3
- target: 443
published: 443
protocol: udp