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caddy-gen can't see any containers
Hey,
I've followed your tutorial to the letter, but can't get the caddy-gen container to put the details from the app to proxy into the Caddyfile.
The env vars are properly set (LETSENCRYPTEMAIL and VIRTUAL_HOST), but any container specific information is not filled.
I've googled around and found 2 issues in docker-gen and nginx-proxy which sound very similar to what I'm experiencing.
nginx-proxy/docker-gen#196
nginx-proxy/nginx-proxy#479
However I tried the solutions (remove -only-exposed from the docker-gen command and put all containers in external network), but they're not working for me.
I am using docker-compose (with a v3 file) to orchestrate the entire thing.
Any feedback or things I can test would be much appreciated.
Here's my docker-compose file for reference (without the tweaks suggested in the two linked issues)
version: "3"
services:
web:
image: <my-image>
restart: on-failure:5
environment:
- LOGGING_LEVEL=info
- VIRTUAL_HOST=<my-hostname>
- SERVER_PORT=80
caddy-gen:
image: alexanderjulo/caddy-gen:latest
volumes:
- /var/run/docker.sock:/var/run/docker.sock:ro
- config:/etc/caddy
links:
- web
environment:
- LETSENCRYPT_EMAIL=<my-email>
caddy:
image: alexanderjulo/caddy
command: caddy -restart=inproc -agree
ports:
- 80
- 443
links:
- web
volumes:
- config:/srv
- /root/ssl:/root/.caddy/letsencrypt
volumes:
config:
driver: localHere's the Caddyfile that gets generated with this setup
<my-hostname> {
tls <my-email>
proxy / :80 {
proxy_header Host {host}
proxy_header X-Real-IP {remote}
proxy_header X-Forwarded-For {remote}
proxy_header X-Forwarded-Proto {scheme}
}
log stdout
}
Sending incorrect SSL cert on first load
For some reason the wrong SSL cert is being sent on the first load of a newly added domain.
I've been doing some testing and it looks like it takes upwards of 60 seconds before the correct SSL cert is active. Not sure if this is an issue with Caddy, Let's Encrypt or this docker container.
Here's my test ENV.
root@DELETE-AFTER-USE:~# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
95f9d8808296 dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32784->80/tcp big_stallman
573fce14238a dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32783->80/tcp cranky_archimedes
e31ba406a45d dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32782->80/tcp compassionate_jennings
0f3b28d64501 dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32781->80/tcp tiny_hypatia
770dca341198 dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32780->80/tcp angry_kirch
3e82141eb38c dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32779->80/tcp peaceful_tesla
af5974a2850d dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32778->80/tcp distracted_carson
568ae47f9baa dockercloud/hello-world "/bin/sh -c 'php-fpm " 3 minutes ago Up 3 minutes 0.0.0.0:32777->80/tcp zen_fermat
010ad892d362 dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32776->80/tcp high_mahavira
fab979346116 dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32775->80/tcp jovial_swartz
377a23d9729e dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32774->80/tcp nauseous_stallman
269373f85a8b dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32773->80/tcp berserk_lamport
59e1c69fa4c5 dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32772->80/tcp thirsty_yalow
4c367f9014b2 dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32771->80/tcp big_bohr
b4f1189753b0 dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32770->80/tcp sick_mclean
8bb7d1e18caa dockercloud/hello-world "/bin/sh -c 'php-fpm " 9 minutes ago Up 9 minutes 0.0.0.0:32769->80/tcp thirsty_mestorf
a1161b138590 joshix/caddy "/bin/caddy" 12 minutes ago Up 6 minutes 0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp, 2015/tcp lonely_panini
4014a64f49fd alexanderjulo/caddy-gen "/bin/sh -c '/usr/loc" 14 minutes ago Up 14 minutes jolly_bhabha
Here's what I used to create all of this.
docker run -d -e [email protected] -v ~/.caddy/:/etc/caddy -v /var/run/docker.sock:/var/run/docker.sock alexanderjulo/caddy-gen
docker run -d -l autocaddy=1 -v ~/.caddy/Caddyfile:/var/www/html/Caddyfile:ro -v sslcerts:/etc/ssl/certs -p 80:80 -p 443:443 joshix/caddy
docker run -d -e VIRTUAL_HOST=a.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=b.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=c.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=d.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=e.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=f.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=g.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=h.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=i.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=j.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=k.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=l.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=m.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=n.test.wvvw.me -P dockercloud/hello-world
docker run -d -e VIRTUAL_HOST=o.test.wvvw.me -P dockercloud/hello-world
docker is not available
nice sample container but the docker command is not available inside
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