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update on compose file of Bind docker compose service plus documentation #141

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27 changes: 27 additions & 0 deletions docker-compose/bind9/Readme.md
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### [image Bind9 | Ubuntu ](https://hub.docker.com/r/ubuntu/bind9)

if you are running it on an ubuntu machine first you have to disable `Network Name Resolution` service

```bash
vim /etc/systemd/resolved.conf
```

change `#DNSStubListener=yes` to `DNSStubListener=no` and restart its service

```bash
sudo systemctl restart systemd-resolved.service
```

create following directories and give write access to other users to `cache` directory

```bash
mkdir ./config ./cache ./records && chmod o+w ./cache
```

change your Domain configurations in `./config/named.conf` file

start `Bind` service with:

```bash
sudo docker compose up -d
```
Empty file.
13 changes: 13 additions & 0 deletions docker-compose/bind9/config/named.conf
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options {
directory "/var/cache/bind";
forwarders {
1.1.1.1;
8.8.8.8;
};
listen-on-v6 { any; };
};

zone "yourdomain.home" IN {
type master;
file "/etc/bind/yourdomain.zone";
};
15 changes: 15 additions & 0 deletions docker-compose/bind9/config/yourdomain.zone
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$TTL 300 ; 5 minutes
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Having such a short default TTL on all records of the zone implies a certain operational risk. Also, when 5 minutes is meant, why not just write 5m and drop the redundant comment.

$ORIGIN yourdomain.home.
@ IN SOA yourdomain.home. (
2024021700 ; serial
12h ; refresh
15m ; retry
3w ;expire
2h ;minimum ttl
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The meaning of the 5th field of a SOA record isn't "mimimum TTL" anymore, but it's rather the negative response cachine TTL, see RFC 2308.

)

IN NS ns.yourdomain.home.

ns IN A 192.168.14.2

yourserver IN A 192.168.14.3
15 changes: 9 additions & 6 deletions docker-compose/bind9/docker-compose.yaml
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@@ -1,12 +1,15 @@
---
services:
bind9:
image: ubuntu/bind9:latest
container_name: bind9
image: ubuntu/bind9:9.18-23.04_edge
ports:
- "53:53"
- "53:53/tcp"
- "53:53/udp"
# (optional) allow DNS over TLS, used by RNDC
# - "953:953/tcp"
volumes:
- /etc/bind/:/etc/bind/
- /var/cache/bind:/var/cache/bind
- /var/lib/bind:/var/lib/bind
restart: unless-stopped
- ./config:/etc/bind/
- ./cache:/var/cache/bind
- ./records:/var/lib/bind
restart: unless-stopped