kanootoko/ssl-nginx
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update 2025-04-06

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Changes:
- fix README.md old json format usage
- rename "redirect" option to "proxy_pass"
- move docker-compose.yml and nginx.conf.j2 to examples and add to .gitignore
- fix situation when one domain from domains.txt and servers.yaml appeared twice in nginx.conf
This commit is contained in:
Aleksei Sokol
2025-04-06 22:16:20 +03:00
parent 16bc1c0db7
commit 7499e55ce6
10 changed files with 132 additions and 125 deletions
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7
nginx/Dockerfile
View File

@@ -1,4 +1,4 @@
FROM python:3.11-alpine as builder
FROM python:3.11-alpine AS builder
RUN pip3 install --no-cache-dir pyyaml jinja2
@@ -16,12 +16,11 @@ FROM nginx:alpine
COPY --from=builder /nginx.conf /etc/nginx/nginx.conf
COPY domains.txt /domains.txt
RUN echo "16 2 */7 * * nginx -s reload" > /etc/crontabs/root && \
RUN echo "20 2 */7 * * nginx -s reload" > /etc/crontabs/root && \
\
echo "cp /domains.txt /ssl/domains.txt" > /entrypoint && \
echo "crond" >> /entrypoint && \
echo "nginx -g 'daemon off;'" >> /entrypoint && \
echo "nginx" >> /entrypoint
echo "nginx -g 'daemon off;'" >> /entrypoint
ENTRYPOINT ["/bin/sh"]
CMD ["/entrypoint"]

29
nginx/add_servers.py
View File

@@ -1,4 +1,5 @@
"""Add domain servers to nginx.conf executable script."""
from __future__ import annotations
import argparse
@@ -16,7 +17,7 @@ class Server:
name: str
all_names: str | None = None
redirect: str | None = None
proxy_pass: str | None = None
certificate_dir: str | None = None
port: int = None
ssl_port: int = None
@@ -42,7 +43,7 @@ class Server:
return {
"name": self.name,
"all_names": self.all_names,
"redirect": self.redirect,
"proxy_pass": self.proxy_pass,
"server_options": self.server_options,
"location_options": self.location_options,
"certificate_dir": self.certificate_dir,
@@ -105,19 +106,25 @@ def main() -> None:
domains_with_certs = []
nginx_servers: list[Server] = []
resolver: str = "127.0.0.1"
acme_challenge_location: str | None = None
if args.servers_config is not None:
with open(args.servers_config, "r", encoding="utf-8") as file:
data: dict = yaml.safe_load(file)
resolver: str = data.get("resolver", "127.0.0.1")
acme_challenge_location: str | None = data.get("acme_challenge_location")
resolver: str = data.get("resolver", resolver)
acme_challenge_location = data.get("acme_challenge_location")
servers: dict[str, dict[str, Any]] = data["servers"]
for server_name, params in servers.items():
nginx_servers.append(
Server(
name=(server_name if "*" not in server_name else f"{server_name} {server_name.replace('*.', '')}"),
all_names=params.get("all_names"),
redirect=params.get("redirect"),
name=server_name,
all_names=params.get(
"all_names",
None if "*" not in server_name else f"{server_name} {server_name.replace('*.', '', 1)}",
),
proxy_pass=params.get("proxy_pass"),
certificate_dir=_get_certificate_path(
args.http_only, domains_with_certs, args.certificates_path, server_name
),
@@ -130,8 +137,12 @@ def main() -> None:
for domain in domains_with_certs:
if not any(
(
domain == server.name
or (domain == f"*.{server.name[server.name.find('.') + 1:]}" if "." in server.name else False)
(server.all_names is None and domain == server.name)
or (
server.all_names is not None
and f" {domain}" in server.all_names
or server.all_names.startswith(domain)
)
)
for server in nginx_servers
):

4
nginx/domains.txt.example
View File

@@ -1,5 +1,5 @@
your.domain.to_redirect
your.domain.to_listen
your_other.doma.in
*.doma.in
#commented.domain
domain.without.redirect
domain.without.proxy

5
nginx/get-certificates.Dockerfile
View File

@@ -1,4 +1,4 @@
FROM python:3.10-alpine as builder
FROM python:3.10-alpine AS builder
COPY add_servers.py /add_servers.py
COPY domains.txt /domains.txt
@@ -18,8 +18,7 @@ COPY domains.txt /domains.txt
RUN echo "(sleep 120 && killall nginx) &" > /entrypoint && \
echo "cp /domains.txt /ssl/domains.txt" >> /entrypoint && \
echo "nginx -g 'daemon off;'" >> /entrypoint && \
echo "nginx" >> /entrypoint
echo "nginx -g 'daemon off;'" >> /entrypoint
ENTRYPOINT ["/bin/sh"]
CMD ["/entrypoint"]

165
nginx/nginx.conf.j2 → nginx/nginx.conf.j2.example
View File

@@ -1,82 +1,83 @@
{#- variables ~ examples: #}
{#- acme_challenge_location ~ /ssl/: #}
{#- resolver ~ 127.0.0.11: #}
{#- servers ~ ["name": ..., ("redirect": ..., "server_options": ..., "location_options": ..., "all_names": ..., "port": ..., "ssl_port": ...)]: #}
{#- #}user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log notice;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}
http {
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
server_tokens off;
gzip on;
proxy_connect_timeout 300;
proxy_send_timeout 600;
proxy_read_timeout 600;
send_timeout 600;
client_max_body_size 500M;
server {
return 404;
}
{%- for server in servers %}
server {
listen {{ server["port"] or 80 }};
{%- if server["certificate_dir"] is not none %}
listen {{ server["ssl_port"] or 443 }} ssl;
{%- endif %}
keepalive_timeout 70;
server_name {{ server["all_names"] or server["name"] }};
{%- if acme_challenge_location is defined %}
{# #}
location /.well-known/acme-challenge {
root {{ acme_challenge_location }};
}
{%- endif %}
{%- if server["server_options"]|length > 0 %}
{# #}
{%- for server_option in server["server_options"] %}
{{ server_option }}
{%- endfor %}
{%- endif %}
{%- if server["certificate_dir"] is not none %}
{# #}
ssl_certificate {{ server["certificate_dir"] }}/fullchain.pem;
ssl_certificate_key {{ server["certificate_dir"] }}/privkey.pem;
{%- endif %}
{%- if server["redirect"] is not none %}
{# #}
location / {
resolver {{ resolver }};
set $host_{{ loop.index }} {{ server["redirect"] }};
proxy_pass $host_{{ loop.index }};
proxy_set_header Host $host:$server_port;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
{%- if server["location_options"]|length > 0 %}
{# #}
{%- for location_option in server["location_options"] %}
{{ location_option }}
{%- endfor %}
{%- endif %}
}
{%- endif %}
}
{%- endfor %}
}
{#- variables ~ examples: #}
{#- acme_challenge_location ~ /ssl/: #}
{#- resolver ~ 127.0.0.11: #}
{#- servers ~ ["name": ..., ("proxy_pass": ..., "server_options": ..., "location_options": ..., "all_names": ..., "port": ..., "ssl_port": ...)]: #}
{#- #}user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log notice;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}
http {
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
server_tokens off;
gzip on;
proxy_connect_timeout 300;
proxy_send_timeout 600;
proxy_read_timeout 600;
send_timeout 600;
client_max_body_size 500M;
server {
return 404;
}
{%- for server in servers %}
{# #}
server {
listen {{ server["port"] or 80 }};
{%- if server["certificate_dir"] is not none %}
listen {{ server["ssl_port"] or 443 }} ssl;
ssl_certificate {{ server["certificate_dir"] }}/fullchain.pem;
ssl_certificate_key {{ server["certificate_dir"] }}/privkey.pem;
if ($scheme = 'http') {
return 302 https://$host$request_uri;
}
{%- endif %}
keepalive_timeout 70;
server_name {{ server["all_names"] or server["name"] }};
{%- if acme_challenge_location is not none %}
{# #}
location /.well-known/acme-challenge {
root {{ acme_challenge_location }};
}
{%- endif %}
{%- if server["server_options"]|length > 0 %}
{# #}
{%- for server_option in server["server_options"] %}
{{ server_option }}
{%- endfor %}
{%- endif %}
{%- if server["proxy_pass"] is not none %}
{# #}
location / {
resolver {{ resolver }};
set $host_{{ loop.index }} {{ server["proxy_pass"] }};
proxy_pass $host_{{ loop.index }};
proxy_set_header Host $host:$server_port;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
{%- if server["location_options"]|length > 0 %}
{# #}
{%- for location_option in server["location_options"] %}
{{ location_option }}
{%- endfor %}
{%- endif %}
}
{%- endif %}
}
{%- endfor %}
}

7
nginx/servers.yaml.example
View File

@@ -1,11 +1,12 @@
resolver: 127.0.0.1
acme_challenge_location: /etc/nginx/acme/
servers:
your.domain.to_redirect:
redirect: "http://redirection.address"
proxy_pass: "http://redirection.address"
your_other.doma.in:
redirect: "http://redirection-other.address"
proxy_pass: "http://redirection-other.address"
server_options:
- "proxy_buffering off;"
- "proxy_request_buffering off;"
@@ -16,7 +17,7 @@ servers:
- "proxy_read_timeout 86400;"
"*.doma.in":
all_names: "*.doma.in doma.in"
redirect: "http://full.subdomain.redirect"
proxy_pass: "http://full.subdomain.proxy"
server_options:
- "proxy_buffering off;"
- "proxy_request_buffering off;"