Autoload caddy configuration on system reboot

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1

1. Caddy version (caddy version):

v2.1.1 h1:X9k1+ehZPYYrSqBvf/ocUgdLSRIuiNiMo7CvyGUQKeA=

2. How I run Caddy:

Caddy configuration is load from JSON file using the curl endpoint.

a. System environment:

AWS EC2 (Ubuntu 20.04)

b. Command:

curl localhost:2019/load -H 'Content-Type: application/json' -d @final_with_headers.json

c. Service/unit/compose file:

paste full file contents here

d. My complete Caddyfile or JSON config:

paste config here, replacing this text
use `caddy fmt` to make it readable
DO NOT REDACT anything except credentials
or helpers will be sad

3. The problem I’m having:

Many times, I need to stop-start the EC2 instance. Every time after the restart, the caddy configuration needs to be loaded manually by SSH to the server.

How can I auto-load the configuration file whenever the server is restarted. Just like other proxy providers (apache, nginx), their configuration can be saved inside /etc/nginx/ directory, is there such a way in the Caddy?

Also planning to use auto-scaling to automatically provision new instances on load. Without auto loading, everything a new instance is launched, I need to manually load the configuration.

4. Error messages and/or full log output:

5. What I already tried:

6. Links to relevant resources:

2

Use the --resume flag: Command Line — Caddy Documentation

3

You should probably be using the caddy-api service that the .deb ships with, instead of the caddy service. It’s optimized for running Caddy when primarily using the API. See the note here in the docs:

4

Do I need to use --resume every time the system reboots? If yes, how still it requires manual work to resume the same configuration.

5

If you use the caddy-api.service it will automate that for you.

6

Thanks, @francislavoie Is there any guide on how to set up the caddy-api service and how to configure it to load specif configuration on boot?
The installation guide only gives the installation guide and not the configuration guide.

7

Just run systemctl disable caddy then systemctl enable caddy-api.

8

Thanks, @francislavoie Where will be the config (final_with_headers.json in my case) will be placed so that it will be loaded automatically? Do I need to provide the path to the config? Currently, it is placed in /home/user/final_with_headers.json.

I check the doc dist/caddy-api.service at master · caddyserver/dist · GitHub but it’s not clear where to place the configuration file.

9

You can put it anywhere you like. You’ll push your initial config using curl:

curl -X POST "http://localhost:2019/load" \
	-H "Content-Type: application/json" \
	-d @caddy.json
10

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