diff --git a/db/src/go.mod b/db/src/go.mod
index eb489c4..09fe91d 100644
--- a/db/src/go.mod
+++ b/db/src/go.mod
@@ -5,7 +5,11 @@ go 1.25.0
 require (
 	github.com/InfluxCommunity/influxdb3-go/v2 v2.13.0
 	github.com/eclipse/paho.mqtt.golang v1.5.1
+	github.com/gin-contrib/cors v1.7.2
 	github.com/gin-gonic/gin v1.12.0
+	github.com/swaggo/files v1.0.1
+	github.com/swaggo/gin-swagger v1.6.1
+	github.com/swaggo/swag v1.16.4
 )
 
 require (
@@ -17,7 +21,6 @@ require (
 	github.com/bytedance/sonic v1.15.0 // indirect
 	github.com/bytedance/sonic/loader v0.5.0 // indirect
 	github.com/cloudwego/base64x v0.1.6 // indirect
-	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/gabriel-vasile/mimetype v1.4.12 // indirect
 	github.com/gin-contrib/sse v1.1.0 // indirect
 	github.com/go-openapi/jsonpointer v0.19.5 // indirect
@@ -43,13 +46,9 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pierrec/lz4/v4 v4.1.23 // indirect
-	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/quic-go/qpack v0.6.0 // indirect
 	github.com/quic-go/quic-go v0.59.0 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
-	github.com/swaggo/files v1.0.1 // indirect
-	github.com/swaggo/gin-swagger v1.6.1 // indirect
-	github.com/swaggo/swag v1.16.4 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.1 // indirect
 	github.com/zeebo/xxh3 v1.0.2 // indirect
@@ -69,5 +68,4 @@ require (
 	google.golang.org/grpc v1.79.3 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/db/src/go.sum b/db/src/go.sum
index 74e2346..9b54b6d 100644
--- a/db/src/go.sum
+++ b/db/src/go.sum
@@ -35,6 +35,10 @@ github.com/frankban/quicktest v1.13.0 h1:yNZif1OkDfNoDfb9zZa9aXIpejNR4F23Wely0c+
 github.com/frankban/quicktest v1.13.0/go.mod h1:qLE0fzW0VuyUAJgPU19zByoIr0HtCHN/r/VLSOOIySU=
 github.com/gabriel-vasile/mimetype v1.4.12 h1:e9hWvmLYvtp846tLHam2o++qitpguFiYCKbn0w9jyqw=
 github.com/gabriel-vasile/mimetype v1.4.12/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/gin-contrib/cors v1.7.2 h1:oLDHxdg8W/XDoN/8zamqk/Drgt4oVZDvaV0YmvVICQw=
+github.com/gin-contrib/cors v1.7.2/go.mod h1:SUJVARKgQ40dmrzgXEVxj2m7Ig1v1qIboQkPDTQ9t2E=
+github.com/gin-contrib/gzip v0.0.6 h1:NjcunTcGAj5CO1gn4N8jHOSIeRFHIbn51z6K+xaN4d4=
+github.com/gin-contrib/gzip v0.0.6/go.mod h1:QOJlmV2xmayAjkNS2Y8NQsMneuRShOU/kjovCXNuzzk=
 github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w=
 github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
 github.com/gin-gonic/gin v1.12.0 h1:b3YAbrZtnf8N//yjKeU2+MQsh2mY5htkZidOM7O0wG8=
@@ -152,8 +156,6 @@ github.com/swaggo/files v1.0.1 h1:J1bVJ4XHZNq0I46UU90611i9/YzdrF7x92oX1ig5IdE=
 github.com/swaggo/files v1.0.1/go.mod h1:0qXmMNH6sXNf+73t65aKeB+ApmgxdnkQzVTAj2uaMUg=
 github.com/swaggo/gin-swagger v1.6.1 h1:Ri06G4gc9N4t4k8hekMigJ9zKTFSlqj/9paAQCQs7cY=
 github.com/swaggo/gin-swagger v1.6.1/go.mod h1:LQ+hJStHakCWRiK/YNYtJOu4mR2FP+pxLnILT/qNiTw=
-github.com/swaggo/swag v1.8.12 h1:pctzkNPu0AlQP2royqX3apjKCQonAnf7KGoxeO4y64w=
-github.com/swaggo/swag v1.8.12/go.mod h1:lNfm6Gg+oAq3zRJQNEMBE66LIJKM44mxFqhEEgy2its=
 github.com/swaggo/swag v1.16.4 h1:clWJtd9LStiG3VeijiCfOVODP6VpHtKdQy9ELFG3s1A=
 github.com/swaggo/swag v1.16.4/go.mod h1:VBsHJRsDvfYvqoiMKnsdwhNV9LEMHgEDZcyVYX0sxPg=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
@@ -238,8 +240,6 @@ gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
-google.golang.org/grpc v1.79.1 h1:zGhSi45ODB9/p3VAawt9a+O/MULLl9dpizzNNpq7flY=
-google.golang.org/grpc v1.79.1/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
 google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
diff --git a/db/src/rest/rest.go b/db/src/rest/rest.go
index 8524e2a..e2d35b8 100644
--- a/db/src/rest/rest.go
+++ b/db/src/rest/rest.go
@@ -5,9 +5,11 @@ import (
 	"fmt"
 	"gateway/influx"
 	"net/http"
+	"regexp"
 
 	_ "gateway/docs"
 
+	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
 	swaggerFiles "github.com/swaggo/files"
 	ginSwagger "github.com/swaggo/gin-swagger"
@@ -35,6 +37,20 @@ func NewRestGateway(influxGateway *influx.InfluxGateway, measurementName string,
 }
 
 func (g *RestGateway) setupRoutes() {
+	// Setup CORS middleware to allow all *.e.kb28.ch origins
+	corsConfig := cors.Config{
+		AllowOriginFunc: func(origin string) bool {
+			// Match any origin like *.e.kb28.ch
+			pattern := regexp.MustCompile(`^https://.*\.e\.kb28\.ch$`)
+			return pattern.MatchString(origin)
+		},
+		AllowMethods:     []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
+		AllowHeaders:     []string{"Origin", "Authorization", "Content-Type"},
+		ExposeHeaders:    []string{"Content-Length"},
+		AllowCredentials: true,
+	}
+	g.engine.Use(cors.New(corsConfig))
+
 	v1 := g.engine.Group("/api/v1")
 	if g.username != "" && g.password != "" {
 		v1.Use(gin.BasicAuth(gin.Accounts{