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1---
2# Example of a SNAC + Traefik stack on Docker Swarm mode
3# SNAC behind Traefik v3 reverse proxy
4# including Let's Encrypt certificates, HTTP security headers
5# and caching */s/* (SNAC static files) for 24h with souin.
6#
7# docker stack deploy -c snac_stack.yml snac
8
9services:
10 traefik:
11 image: traefik:v3
12 hostname: '{{.Node.Hostname}}'
13 ports:
14 # listen on host ports without ingress network
15 - target: 80
16 published: 80
17 protocol: tcp
18 mode: host
19 - target: 443
20 published: 443
21 protocol: tcp
22 mode: host
23 - target: 443
24 published: 443
25 protocol: udp # for HTTP3
26 mode: host
27 networks:
28 - proxy
29 volumes:
30 - /opt/docker/traefik/traefik.yml:/etc/traefik/traefik_config.yml # main Traefik static configuration
31 - /opt/docker/traefik/dynamic:/etc/traefik/dynamic # for Traefik dynamic configuration files
32 - /opt/docker/acme:/acme # directory for certificate storage files
33 - /opt/docker/traefik/log:/var/log
34 - /var/run/docker.sock:/var/run/docker.sock:ro
35 - /usr/share/zoneinfo/America/Sao_Paulo:/etc/localtime:ro # Change this to another or comment/remove to use UTC
36 - /etc/timezone:/etc/timezone:ro # Comment/remove to use UTC
37 environment:
38 - TZ=America/Sao_Paulo # Change it to another or comment/remove to use UTC
39 deploy:
40 mode: global
41 placement:
42 constraints:
43 - node.role==manager
44 labels:
45 - traefik.enable=true
46 - traefik.http.routers.mydashboard.rule=Host(`traefik.example.net`) # for Traefik dashboard
47 - traefik.http.routers.mydashboard.service=api@internal
48 - traefik.http.routers.mydashboard.middlewares=traefik_auth,traefik_retry
49 - traefik.http.services.mydashboard.loadbalancer.server.port=1337
50 - traefik.http.middlewares.traefik_retry.retry.attempts=3
51 - traefik.http.middlewares.traefik_retry.retry.initialinterval=200ms
52 # How to generate a password hash: echo $(htpasswd -nB desired_username) | sed -e s/\\$/\\$\\$/g
53 - traefik.http.middlewares.traefik_auth.basicauth.users=desired_username:PASTE_THE_PASSWORD_HASH_HERE
54 resources:
55 limits:
56 cpus: "2"
57 memory: 1g
58 reservations:
59 memory: 256m
60
61 snac:
62 image: codeberg.org/daltux/snac:2.82-dev_daltux3
63 hostname: '{{.Node.Hostname}}'
64 restart: unless-stopped
65 security_opt:
66 - no-new-privileges:true
67 volumes:
68 - /opt/snac:/data
69 networks:
70 - proxy
71 depends_on:
72 - traefik
73 environment:
74 - TZ=America/Sao_Paulo # Change this to your own or comment/remove it to use UTC.
75 deploy:
76 mode: replicated
77 replicas: 1
78 labels:
79 - traefik.enable=true
80 - traefik.http.services.snac.loadbalancer.server.port=8001
81 - traefik.http.routers.snac.rule=Host(`snac.example.net`)
82 - traefik.http.routers.snac.priority=1
83 - traefik.http.routers.snac.middlewares=snac_headers@swarm,traefik_retry@swarm
84 - "traefik.http.routers.snac_static.rule=Host(`snac.example.net`) && PathRegexp(`^/.+/s/.+`)"
85 - "traefik.http.routers.snac_static.priority=2"
86 - "traefik.http.routers.snac_static.middlewares=snac_headers@swarm,snac_cache_static@swarm,traefik_retry@swarm"
87 - traefik.http.middlewares.snac_headers.headers.stsSeconds=31536000
88 - traefik.http.middlewares.snac_headers.headers.stsIncludeSubdomains=false
89 - traefik.http.middlewares.snac_headers.headers.stsPreload=false
90 - traefik.http.middlewares.snac_headers.headers.customFrameOptionsValue=SAMEORIGIN
91 - traefik.http.middlewares.snac_headers.headers.contentTypeNosniff=true
92 - traefik.http.middlewares.snac_headers.headers.browserXssFilter=true
93 - traefik.http.middlewares.snac_headers.headers.referrerPolicy=strict-origin-when-cross-origin
94 - "traefik.http.middlewares.snac_headers.headers.contentSecurityPolicy=default-src 'self'; base-uri 'self'; script-src 'none'; style-src 'self' 'unsafe-inline'; form-action 'self'; img-src https: data:; font-src 'self'; media-src https: data:; connect-src 'none'; frame-src 'none'; frame-ancestors 'none';"
95 - traefik.http.middlewares.snac_cache_static.plugin.souin.api.souin=true
96 - traefik.http.middlewares.snac_cache_static.plugin.souin.log_level=info
97 - traefik.http.middlewares.snac_cache_static.plugin.souin.default_cache.ttl=1440m
98 - traefik.http.middlewares.snac_cache_static.plugin.souin.default_cache.allowed_http_verbs=GET,HEAD
99 - traefik.http.middlewares.snac_cache_static.plugin.souin.default_cache.stale=1h
100 - traefik.http.middlewares.snac_cache_static.plugin.souin.default_cache.etag=true
101 - "traefik.http.middlewares.snac_cache_static.plugin.souin.default_cache.default_cache_control=public, max-age=86400"
102 resources:
103 limits:
104 cpus: "3"
105 memory: 1g
106 reservations:
107 memory: 256m
108
109networks:
110 proxy:
111 name: proxy
112 driver: overlay
113 attachable: true
114 external: true