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Souin Traefik configuration error
Hello I am getting the following error in traefik logs when starting jellyfin with Souin as Middleware.
traefik | 2025-08-24T21:48:47+05:30 DBG github.com/traefik/traefik/v3/pkg/server/service/service.go:319 > Creating load-balancer entryPointName=web routerName=jellyfin@file serviceName=jellyfin@file
traefik | 2025-08-24T21:48:47+05:30 DBG github.com/traefik/traefik/v3/pkg/server/service/service.go:362 > Creating server URL=http://192.168.1.2:8096 entryPointName=web routerName=jellyfin@file serverIndex=0 serviceName=jellyfin@file
traefik | 2025-08-24T21:48:47+05:30 DBG github.com/traefik/traefik/v3/pkg/middlewares/observability/service.go:26 > Added outgoing tracing middleware entryPointName=web middlewareName=tracing middlewareType=TracingService routerName=jellyfin@file serviceName=jellyfin@file
traefik | 2025-08-24T21:48:47+05:30 ERR fmt/print.go:305 > plugins-storage/sources/gop-2918251026/src/github.com/darkweak/souin/plugins/traefik/main.go:287:18: panic: github.com/darkweak/souin/plugins/traefik.parseIntSlice(...) module=github.com/darkweak/souin plugin=plugin-souin runtime=
traefik | 2025-08-24T21:48:47+05:30 ERR fmt/print.go:305 > plugins-storage/sources/gop-2918251026/src/github.com/darkweak/souin/plugins/traefik/main.go:63:19: panic: github.com/darkweak/souin/plugins/traefik.parseConfiguration(...) module=github.com/darkweak/souin plugin=plugin-souin runtime=
traefik | 2025-08-24T21:48:47+05:30 ERR fmt/print.go:305 > plugins-storage/sources/gop-2918251026/src/github.com/darkweak/souin/plugins/traefik/main.go:303:26: panic: github.com/darkweak/souin/plugins/traefik.New(...) module=github.com/darkweak/souin plugin=plugin-souin runtime=
traefik | 2025-08-24T21:48:47+05:30 ERR github.com/traefik/traefik/v3/pkg/safe/routine.go:64 > Error in Go routine error={}
traefik | 2025-08-24T21:48:47+05:30 ERR github.com/traefik/traefik/v3/pkg/safe/routine.go:65 > Stack: goroutine 102 [running]:
traefik | runtime/debug.Stack()
traefik | runtime/debug/stack.go:26 +0x5e
traefik | github.com/traefik/traefik/v3/pkg/safe.defaultRecoverGoroutine({0x79deaa0, 0xc00519a2e8})
traefik | github.com/traefik/traefik/v3/pkg/safe/routine.go:65 +0x85
traefik | github.com/traefik/traefik/v3/pkg/safe.GoWithRecover.func1.1()
traefik | github.com/traefik/traefik/v3/pkg/safe/routine.go:56 +0x34
traefik | panic({0x79deaa0?, 0xc00519a2e8?})
traefik | runtime/panic.go:792 +0x132
traefik | github.com/traefik/yaegi/interp.runCfg.func1()
traefik | github.com/traefik/[email protected]/interp/run.go:226 +0x1ae
traefik | panic({0x79deaa0?, 0xc00519a2e8?})
traefik | runtime/panic.go:792 +0x132
traefik | github.com/traefik/yaegi/interp.runCfg.func1()
traefik | github.com/traefik/[email protected]/interp/run.go:226 +0x1ae
traefik | panic({0x79deaa0?, 0xc00519a2e8?})
traefik | runtime/panic.go:792 +0x132
traefik | github.com/traefik/yaegi/interp.runCfg.func1()
traefik | github.com/traefik/[email protected]/interp/run.go:226 +0x1ae
traefik | panic({0x79deaa0?, 0xc00519a2e8?})
traefik | runtime/panic.go:792 +0x132
traefik | github.com/traefik/yaegi/interp.typeAssert.func3(0xc004cdf970)
traefik | github.com/traefik/[email protected]/interp/run.go:478 +0x5f4
traefik | github.com/traefik/yaegi/interp.runCfg(0xc003a40a00, 0xc004cdf970, 0xc004ce9d80?, 0x6b464e0?)
traefik | github.com/traefik/[email protected]/interp/run.go:234 +0x265
traefik | github.com/traefik/yaegi/interp.call.func9(0xc004cdf810)
traefik | github.com/traefik/[email protected]/interp/run.go:1401 +0x7cc
traefik | github.com/traefik/yaegi/interp.runCfg(0xc0039e3e00, 0xc004cdf810, 0xc004ce9fd0?, 0x6f89d40?)
traefik | github.com/traefik/[email protected]/interp/run.go:234 +0x265
traefik | github.com/traefik/yaegi/interp.call.func9(0xc004cdf760)
traefik | github.com/traefik/[email protected]/interp/run.go:1401 +0x7cc
traefik | github.com/traefik/yaegi/interp.runCfg(0xc003a46dc0, 0xc004cdf760, 0xc004b4c780?, 0x68aac40?)
traefik | github.com/traefik/[email protected]/interp/run.go:234 +0x265
traefik | github.com/traefik/yaegi/interp.genFunctionWrapper.func1.1({0xc005172840, 0x4, 0x8?})
traefik | github.com/traefik/[email protected]/interp/run.go:1042 +0x805
traefik | reflect.Value.call({0xc004b60230?, 0xc002723aa0?, 0xc004ceadd0?}, {0x7da861d, 0x4}, {0xc004ceaeb8, 0x4, 0x16?})
traefik | reflect/value.go:584 +0xca6
traefik | reflect.Value.Call({0xc004b60230?, 0xc002723aa0?, 0xc002723aa0?}, {0xc004ceaeb8?, 0xc004b4aa40?, 0xc002723dd0?})
traefik | reflect/value.go:368 +0xb9
traefik | github.com/traefik/traefik/v3/pkg/plugins.yaegiMiddlewareBuilder.newHandler({{0xc004b60230, 0xc002723aa0, 0x13}, {0xc004b4aa40, 0xc002723dd0, 0x13}}, {0x8ac12e8?, 0xc002b55290?}, {0x8a208a0, 0xc00515f960}, ...)
traefik | github.com/traefik/traefik/v3/pkg/plugins/middlewareyaegi.go:63 +0x296
traefik | github.com/traefik/traefik/v3/pkg/plugins.(*YaegiMiddleware).NewHandler(0x5?, {0x8ac12e8?, 0xc002b55290}, {0x8a208a0?, 0xc00515f960?})
traefik | github.com/traefik/traefik/v3/pkg/plugins/middlewareyaegi.go:121 +0xeb
traefik | github.com/traefik/traefik/v3/pkg/server/middleware.newTraceablePlugin(...)
traefik | github.com/traefik/traefik/v3/pkg/server/middleware/plugins.go:45
traefik | github.com/traefik/traefik/v3/pkg/server/middleware.(*Builder).buildConstructor.func25({0x8a208a0?, 0xc00515f960?})
traefik | github.com/traefik/traefik/v3/pkg/server/middleware/middlewares.go:386 +0x4f
traefik | github.com/traefik/traefik/v3/pkg/server/middleware.(*Builder).buildConstructor.WrapMiddleware.func30({0x8a208a0?, 0xc00515f960?})
traefik | github.com/traefik/traefik/v3/pkg/middlewares/observability/middleware.go:26 +0x45
traefik | github.com/traefik/traefik/v3/pkg/server/middleware.(*Builder).BuildChain.func1({0x8a208a0, 0xc00515f960})
traefik | github.com/traefik/traefik/v3/pkg/server/middleware/middlewares.go:89 +0xe5
traefik | github.com/containous/alice.Chain.Then({{0xc005143be0?, 0x8ac12e8?, 0xc002b54fc0?}}, {0x8a208a0?, 0xc00515f960?})
traefik | github.com/containous/[email protected]/chain.go:51 +0x89
traefik | github.com/traefik/traefik/v3/pkg/server/router.(*Manager).buildHTTPHandler(0xc004cebd80, {0x8ac12e8, 0xc002b54fc0}, 0xc004cc6690, {0xc003e281b0, 0xd})
traefik | github.com/traefik/traefik/v3/pkg/server/router/router.go:246 +0xa85
traefik | github.com/traefik/traefik/v3/pkg/server/router.(*Manager).buildRouterHandler(0xc004cebd80, {0x8ac12e8, 0xc002b54fc0}, {0xc003e281b0, 0xd}, 0xc004cc6690)
traefik | github.com/traefik/traefik/v3/pkg/server/router/router.go:202 +0x157
traefik | github.com/traefik/traefik/v3/pkg/server/router.(*Manager).buildEntryPointHandler(0xc004cebd80, {0x8ac12e8, 0xc002b46930}, {0xc000754c50, 0x3}, 0xc002b468d0, {0xc003e28353, 0xc003e28354, 0xc003e28355, {0x7db670a, ...}})
traefik | github.com/traefik/traefik/v3/pkg/server/router/router.go:152 +0x613
traefik | github.com/traefik/traefik/v3/pkg/server/router.(*Manager).BuildHandlers(0xc004cebd80, {0x8ac1320, 0xc004cc6f50}, {0xc004b4ac80, 0x3, 0x4}, 0x0)
traefik | github.com/traefik/traefik/v3/pkg/server/router/router.go:89 +0x594
traefik | github.com/traefik/traefik/v3/pkg/server.(*RouterFactory).CreateRouters(0xc004b2c400, 0xc004cc62d0)
traefik | github.com/traefik/traefik/v3/pkg/server/routerfactory.go:108 +0x225
traefik | main.setupServer.switchRouter.func9({0xc0027295f0?, 0xc002729620?, 0xc004b8a830?, 0xc002729650?})
traefik | github.com/traefik/traefik/v3/cmd/traefik/traefik.go:443 +0x52
traefik | github.com/traefik/traefik/v3/pkg/server.(*ConfigurationWatcher).applyConfigurations(0xc004b60380, {0x8ac1320, 0xc0006d2cd0})
traefik | github.com/traefik/traefik/v3/pkg/server/configurationwatcher.go:172 +0x1fb
traefik | github.com/traefik/traefik/v3/pkg/safe.(*Pool).GoCtx.func1()
traefik | github.com/traefik/traefik/v3/pkg/safe/routine.go:36 +0x54
traefik | github.com/traefik/traefik/v3/pkg/safe.GoWithRecover.func1()
traefik | github.com/traefik/traefik/v3/pkg/safe/routine.go:59 +0x4a
traefik | created by github.com/traefik/traefik/v3/pkg/safe.GoWithRecover in goroutine 1
traefik | github.com/traefik/traefik/v3/pkg/safe/routine.go:53 +0x67
traefik logs freeze after this and none of my other subdomains load either even though souin is only applied on Jellyfin proxy. Here is the static and dynamic configuration relevant snippets.
http:
middlewares:
http-cache:
plugin:
souin:
api:
prometheus: ""
souin: ""
default_cache:
# regex:
# exclude: '/test_exclude.*'
ttl: 5s
allowed_http_verbs:
- GET
- HEAD
- POST
allowed_additional_status_codes:
- 202
- 400
default_cache_control: public
headers:
- Authorization
- Content-Type
log_level: debug
urls:
'jf.redacted.com':
ttl: 50s
default_cache_control: public, max-age=86400
headers:
- Authorization
- Content-Type
ykeys:
The_First_Test:
headers:
Content-Type: '.+'
The_Second_Test:
url: 'the/second/.+'
The_Third_Test:
The_Fourth_Test:
surrogate_keys:
The_First_Test:
headers:
Content-Type: '.+'
The_Second_Test:
url: 'the/second/.+'
The_Third_Test:
The_Fourth_Test:
traefik configuration only contains the plugin entry under 'experimental.plugins': souin: moduleName: github.com/darkweak/souin version: v1.7.7
dynamic configuration for jellyfin:
http:
routers:
jellyfin:
rule: "Host(`jf.redacted.com`)"
entryPoints: websecure
middlewares:
- http-cache@file
service: jellyfin
http:
services:
jellyfin:
loadBalancer:
servers:
- url: "http://192.168.1.2:8096"
I am aware its probably my fault somewhere in the configuration but I couldn't find an answer anywhere else and didnt know where to ask. Thanks for any help.
Hey @aroransh96, sorry for this late answer I was working on other stuff.
Here is a working example:
# Souin-configuration.yaml
http:
routers:
jellyfin:
rule: "Host(`jellyfin.local`)"
entryPoints:
- http
middlewares:
- souin
service: jellyfin
services:
jellyfin:
loadBalancer:
servers:
- url: http://jellyfin:8096
passHostHeader: false
middlewares:
souin:
plugin:
souin:
default_cache:
headers:
- Authorization
- Content-Type
ttl: 5s
default_cache_control: public
# traefik.yml
providers:
file:
filename: /souin-configuration.yaml
watch: true
api:
dashboard: true
debug: true
insecure: true
pilot:
token: XXXXXXX
experimental:
plugins:
souin:
moduleName: github.com/darkweak/souin
version: v1.7.8
log:
level: DEBUG
accessLog: {}
# compose.yaml
version: '3.4'
services:
traefik:
image: traefik:v3.1
volumes:
- /var/run/docker.sock:/var/run/docker.sock
- ./traefik.yml:/traefik.yml
- ./souin-configuration.yaml:/souin-configuration.yaml
environment:
GOPATH: /plugins-local
ports:
- 80:80
- 8080:8080
jellyfin:
image: jellyfin/jellyfin
restart: unless-stopped
user: 1000:1000
volumes:
- ./jellyfin/config:/config
- ./jellyfin/media:/media
environment:
- JELLYFIN_PublishedServerUrl=http://jellyfin.local
ports:
- 8096:8096
- 8920:8920 # optional
- 7359:7359/udp # optional
- 1900:1900/udp # optional
I'll try to find time to write a use case in the https://docs.souin.io about the Jellyfin setup behind Traefik with Souin as a caching system.
