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Attempt to fix #5335 by allowing resovler generation to be opt-out with a env var

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This commit is contained in:
Jamie Curnow 2026-02-26 08:32:02 +10:00
parent 52be66c43e
commit 67d40e186f
4 changed files with 25 additions and 11 deletions
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8
docker/rootfs/etc/nginx/nginx.conf
View file

@ -47,10 +47,10 @@ http {
proxy_cache_path /var/lib/nginx/cache/private levels=1:2 keys_zone=private-cache:5m max_size=1024m;
# Log format and fallback log file
include /etc/nginx/conf.d/include/log-proxy.conf;
include /etc/nginx/conf.d/include/log-proxy[.]conf;
# Dynamically generated resolvers file
include /etc/nginx/conf.d/include/resolvers.conf;
include /etc/nginx/conf.d/include/resolvers[.]conf;
# Default upstream scheme
map $host $forward_scheme {
@ -76,7 +76,7 @@ http {
set_real_ip_from 172.16.0.0/12; # Includes Docker subnet
set_real_ip_from 192.168.0.0/16;
# NPM generated CDN ip ranges:
include conf.d/include/ip_ranges.conf;
include conf.d/include/ip_ranges[.]conf;
# always put the following 2 lines after ip subnets:
real_ip_header X-Real-IP;
real_ip_recursive on;
@ -98,7 +98,7 @@ http {
stream {
# Log format and fallback log file
include /etc/nginx/conf.d/include/log-stream.conf;
include /etc/nginx/conf.d/include/log-stream[.]conf;
# Files generated by NPM
include /data/nginx/stream/*.conf;

10
docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/40-dynamic.sh
View file

@ -7,8 +7,10 @@ log_info 'Dynamic resolvers ...'
# Dynamically generate resolvers file, if resolver is IPv6, enclose in `[]`
# thanks @tfmm
if [ "$(is_true "$DISABLE_IPV6")" = '1' ]; then
echo resolver "$(awk 'BEGIN{ORS=" "} $1=="nameserver" { sub(/%.*$/,"",$2); print ($2 ~ ":")? "["$2"]": $2}' /etc/resolv.conf) ipv6=off valid=10s;" > /etc/nginx/conf.d/include/resolvers.conf
else
echo resolver "$(awk 'BEGIN{ORS=" "} $1=="nameserver" { sub(/%.*$/,"",$2); print ($2 ~ ":")? "["$2"]": $2}' /etc/resolv.conf) valid=10s;" > /etc/nginx/conf.d/include/resolvers.conf
if [ "$(is_true "${DISABLE_RESOLVER:-}")" = '0' ]; then
if [ "$(is_true "${DISABLE_IPV6:-}")" = '1' ]; then
echo resolver "$(awk 'BEGIN{ORS=" "} $1=="nameserver" { sub(/%.*$/,"",$2); print ($2 ~ ":")? "["$2"]": $2}' /etc/resolv.conf) ipv6=off valid=10s;" > /etc/nginx/conf.d/include/resolvers.conf
else
echo resolver "$(awk 'BEGIN{ORS=" "} $1=="nameserver" { sub(/%.*$/,"",$2); print ($2 ~ ":")? "["$2"]": $2}' /etc/resolv.conf) valid=10s;" > /etc/nginx/conf.d/include/resolvers.conf
fi
fi

2
docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/50-ipv6.sh
View file

@ -12,7 +12,7 @@ process_folder () {
FILES=$(find "$1" -type f -name "*.conf")
SED_REGEX=
if [ "$(is_true "$DISABLE_IPV6")" = '1' ]; then
if [ "$(is_true "${DISABLE_IPV6:-}")" = '1' ]; then
# IPV6 is disabled
echo "Disabling IPV6 in hosts in: $1"
SED_REGEX='s/^([^#]*)listen \[::\]/\1#listen [::]/g'

14
docs/src/advanced-config/index.md
View file

@ -231,8 +231,20 @@ load_module /usr/lib/nginx/modules/ngx_stream_geoip2_module.so;
Setting these environment variables will create the default user on startup, skipping the UI first user setup screen:
```
```yml
environment:
INITIAL_ADMIN_EMAIL: my@example.com
INITIAL_ADMIN_PASSWORD: mypassword1
```
## Disable Nginx Resolver
On startup, we generate a resolvers directive for Nginx unless this is defined:
```yml
environment:
DISABLE_RESOLVER: true
```
In this configuration, all DNS queries performed by Nginx will fall to the `/etc/hosts` file
and then the `/etc/resolv.conf`.