add ACME_AGREE env variable to override sample and remove requirement for changing local path

Author: Philipp Böhm

.gitignore

@@ -2,3 +2,5 @@
 /docker/docker-compose.*.yml
 /ddns
 dump.rdb
+/docker/.caddy_mount/
+/docker/.redis_mount/

README.md

@@ -52,15 +52,6 @@ you have to create the following two DNS records:
 
 ### `ddns`-Setup
 
-Setting up `ddns` was kind of a hassle in the legacy version, because there are multiple components that have to
-work together:
-
-* `ddns` that runs the frontend and provides an API compatible with the
-  [Remote Backend](https://doc.powerdns.com/md/authoritative/backend-remote/)
-* Redis as storage backend for `ddns`
-* PowerDNS as DNS server, which uses the `ddns` backend API on Port `8053`
-* A web server that makes the `ddns` frontend accessible to the Internet through HTTPS
-
 The setup is now automated using [docker-compose](https://docs.docker.com/compose/) and only some customization has
 to be made in a `docker-compose.override.yml` file
 (a [sample](./docker/docker-compose.override.yml.sample) is available here).
@@ -81,8 +72,6 @@ Please adjust the settings in `docker-compose.override.yml` marked with the `#<<
 * adjust the domain part in lines marked with `# <<< ADJUST DOMAIN` according to your DNS-Setup
 * insert your email address in lines marked with `# <<< INSERT EMAIL` which is required for getting certificates
   from Lets Encrypt
-* adjust the path component before the `:` in lines marked with `# <<< ADJUST LOCAL PATH` if the shown path
-  does not meet your requirements
 
 Finally execute the following `docker-compose` command, which creates 4 containers in detached mode which are also
 started automatically after reboot. For updating an existing installation use the same command because it automatically

docker/docker-compose.override.yml.sample

@@ -12,20 +12,21 @@ services:
 
   redis:
     volumes:
-      - "/root/ddns-redis:/data"                      # <<< ADJUST LOCAL PATH
+      - "${PWD}/.redis_mount:/data"
 
   caddy:
     restart: unless-stopped
     image: abiosoft/caddy:latest
     depends_on:
       - ddns
     environment:
+      ACME_AGREE: "true"
       DDNS_FRONTEND_HOST: ddns:8080
       DDNS_CADDY_DOMAIN: ddns.example.net             # <<< ADJUST DOMAIN
       DDNS_CADDY_TLS_EMAIL: [email protected]      # <<< INSERT EMAIL
     volumes:
       - "${PWD}/caddy/Caddyfile:/etc/Caddyfile"
-      - "/root/ddns-caddy:/root/.caddy"               # <<< ADJUST LOCAL PATH
+      - "${PWD}/.caddy_mount:/root/.caddy"
     ports:
       - "80:80"
       - "443:443"