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Verlinkungen zu Beispielen eingefügt.
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README.md
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README.md
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Das Repository beinhaltet die Codebeispiele für das Buch `Microservices mit Go` des Rheinwerk Verlags:
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https://www.rheinwerk-verlag.de/microservices-mit-go-konzepte-werkzeuge-best-practices/
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Der aktuelle Stand befinden sich immer unter: https://github.com/SourceFellows/gobuch
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## Beispiele
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Folgende Beispielprojekte sind in diesem Repository enthalten:
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* 1 Einführung
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* [cplusplus](hello-world/cplusplus)
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* [go](hello-world/go)
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* [java](hello-world/java)
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* [javascript](hello-world/javascript)
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* [python](hello-world/python)
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* [typescript](hello-world/typescript)
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* [hello-interface](hello-interface)
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* [hello-channel](hello-channel)
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* [hello-go-channel](hello-go-channel)
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* [hello-channel-post](hello-channel-post)
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* 2 Die Grundlagen von Go
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* [collection-array](go-language-sample/collection-array)
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* [collection-array-slice](go-language-sample/collection-array-slice)
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* [collection-capa](go-language-sample/collection-capa)
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* [collection-for-range](go-language-sample/collection-for-range)
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* [defer](go-language-sample/defer)
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* [defer-file-open](go-language-sample/defer-file-open)
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* [defer-lock](go-language-sample/defer-lock)
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* [errors](go-language-sample/errors)
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* [errors-new](go-language-sample/errors-new)
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* [errors-owntyp](go-language-sample/errors-owntyp)
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* [errors-owntyp-wrap](go-language-sample/errors-owntyp-wrap)
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* [fmt-package](go-language-sample/fmt-package)
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* [for-range](go-language-sample/for-range)
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* [pointer](go-language-sample/pointer)
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* [pointer-parameter](go-language-sample/pointer-parameter)
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* [pointer-receiver](go-language-sample/pointer-receiver)
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* [pointer-struct](go-language-sample/pointer-struct)
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* [sampledoc](go-language-sample/sampledoc)
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* [switch-case](go-language-sample/switch-case)
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* [switch-case-falltrough](go-language-sample/switch-case-falltrough)
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* [switch-case-no-expression](go-language-sample/switch-case-no-expression)
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* [type-alias-definition](go-language-sample/type-alias-definition)
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* [type-definition](go-language-sample/type-definition)
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* [type-definition-assertion](go-language-sample/type-definition-assertion)
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* [type-definition-interface](go-language-sample/type-definition-interface)
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* [type-definition-interface-receiver](go-language-sample/type-definition-interface-receiver)
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* [type-definition-struct](go-language-sample/type-definition-struct)
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* [type-definition-switch](go-language-sample/type-definition-switch)
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* [type-failure](go-language-sample/type-failure)
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* [varadic-parameter](go-language-sample/varadic-parameter)
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* [somelib](somelib)
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* [vscode-first](vscode-first)
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* [first-module-dependency](first-module-dependency)
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* [library-dependency](library-dependency)
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* [module-logrus](module-logrus)
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* 3 Microservices
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* [container](microservices/container)
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* [default-mux-demo](microservices/default-mux-demo)
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* [formrequest](microservices/formrequest)
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* [go-channel](microservices/go-channel)
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* [gorilla-mux](microservices/gorilla-mux)
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* [gorm](microservices/gorm)
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* [gorm-hooks](microservices/gorm-hooks)
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* [gorm-relation](microservices/gorm-relation)
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* [grpc](microservices/grpc)
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* [hanlder-impl](microservices/hanlder-impl)
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* [http-client](microservices/http-client)
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* [http-client-circut-breaker](microservices/http-client-circut-breaker)
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* [http-client-config](microservices/http-client-config)
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* [http-client-ssl-cert](microservices/http-client-ssl-cert)
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* [http-metod-matching](microservices/http-metod-matching)
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* [http-ratelimit](microservices/http-ratelimit)
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* [http-registration](microservices/http-registration)
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* [http-retry](microservices/http-retry)
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* [httpsserver](microservices/httpsserver)
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* [httpsservercert](microservices/httpsservercert)
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* [jsonhandling](microservices/jsonhandling)
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* [jsonservice](microservices/jsonservice)
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* [jwt](microservices/jwt)
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* [letscrypt](microservices/letscrypt)
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* [logging](microservices/logging)
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* [middleware](microservices/middleware)
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* [mongodb](microservices/mongodb)
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* [mongodb-update](microservices/mongodb-update)
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* [nats](microservices/nats)
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* [oracle-db-connection](microservices/oracle-db-connection)
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* [oracle-db-connection-prepared-statement](microservices/oracle-db-connection-prepared-statement)
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* [oracle-db-connection-write](microservices/oracle-db-connection-write)
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* [oracle-db-connection-write-tx](microservices/oracle-db-connection-write-tx)
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* [prometheus](microservices/prometheus)
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* [prometheus-metrics](microservices/prometheus-metrics)
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* [rfc7808](microservices/rfc7808)
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* [simple-http](microservices/simple-http)
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* [best-practices-generator-function](concurrency/best-practices-generator-function)
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* [best-practices-multiplexer](concurrency/best-practices-multiplexer)
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* [best-practices-multiplexer-select](concurrency/best-practices-multiplexer-select)
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* [best-practices-sync](concurrency/best-practices-sync)
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* [best-practices-timeout](concurrency/best-practices-timeout)
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* [channel-mit-close](concurrency/channel-mit-close)
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* [channel-range](concurrency/channel-range)
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* [channels](concurrency/channels)
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* [first-go-routine](concurrency/first-go-routine)
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* [first-go-routine-mit-channel](concurrency/first-go-routine-mit-channel)
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* [graceful-shutdown](concurrency/graceful-shutdown)
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* [java-threads-beispiel](concurrency/java-threads-beispiel)
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* [application-configuration](configuration/application-configuration)
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* [application-configuration-os](configuration/application-configuration-os)
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* [application-configuration-viper](configuration/application-configuration-viper)
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* 4 Die Qualitätssicherung
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* [http-server-test](quality/http-server-test)
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* [http-server-test.v1](quality/http-server-test.v1)
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* [http-server-test.v2](quality/http-server-test.v2)
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* [http-server-test.v3](quality/http-server-test.v3)
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* [unittest](quality/unittest)
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* 5 Best Practices – idiomatisches und effektives Go
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* [context](best-practices/context)
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* [context-http-server](best-practices/context-http-server)
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* [context-loop](best-practices/context-loop)
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* [context-value](best-practices/context-value)
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* [context-value-nono](best-practices/context-value-nono)
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* [empty-string-check](best-practices/empty-string-check)
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* [error-behaviour](best-practices/error-behaviour)
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* [error-handling](best-practices/error-handling)
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* [error-handling-2](best-practices/error-handling-2)
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* [error-handling-3](best-practices/error-handling-3)
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* [file-io](best-practices/file-io)
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* [file-io-large](best-practices/file-io-large)
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* [force-interface](best-practices/force-interface)
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* [goroutine-pooling](best-practices/goroutine-pooling)
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* [logging-defer](best-practices/logging-defer)
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* [map-contains](best-practices/map-contains)
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* [project-structure](best-practices/project-structure)
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* [single-method-interface](best-practices/single-method-interface)
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* [struct-to-text](best-practices/struct-to-text)
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* [synchron-api](best-practices/synchron-api)
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* 6 Go-Service an die Cloud anbinden
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* [aws-beanstak-sample](cloud-provider/aws-beanstak-sample)
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* [aws-lambda-go](cloud-provider/aws-lambda-go)
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* [azure-kubernetes](cloud-provider/azure-kubernetes)
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* [docker-compose](cloud-provider/docker-compose)
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* [docker-sample](cloud-provider/docker-sample)
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* [docker-sample-multistage](cloud-provider/er-sample-multistage)
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* [go-cloud](cloud-provider/go-cloud)
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* [google-cloud-hello](cloud-provider/google-cloud-hello)
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* [google-cloud-sample](cloud-provider/google-cloud-sample)
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* [minikube-sample](cloud-provider/minikube-sample)
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Sonstwas string
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}
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type StringTester struct {
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Name string
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Alter int
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Sonstwas string
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}
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func (st *StringTester) String() string {
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return fmt.Sprintf("StringTester %v, Alter: %v", st.Name, st.Alter)
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}
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func main() {
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t := &Tester{Name: "Dingo", Alter: 3, Sonstwas: "Wert"}
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fmt.Printf("%+v\n", t)
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st := &StringTester{Name: "Dingo", Alter: 3, Sonstwas: "Wert"}
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fmt.Printf("%+v\n", st)
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}
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golang-language-samples/fmt-package/main.go
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package main
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import "fmt"
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func main() {
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fmt.Printf("Hello %q", "hello")
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}
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golang-language-samples/varadic-parameter/main.go
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package main
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import "fmt"
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func something(text string, i ...int) int {
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fmt.Println(i[0])
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return i[1]
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}
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func main() {
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fmt.Println(something("hello", 1, 2))
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}
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package main
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import (
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"time"
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log "github.com/sirupsen/logrus"
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)
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type Testing struct {
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Val1 bool
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Val2 string
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Val3 time.Time
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}
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func main() {
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log.SetFormatter(&log.JSONFormatter{})
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// zusätzliche Felder an log.Entry anhängen
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log.WithFields(log.Fields{
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"importId": "ka18s",
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contextLogger := log.WithFields(log.Fields{
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"importId": "0815s",
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"other": "Ich werde geloggt",
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"test": Testing{Val3: time.Now()},
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})
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contextLogger.Info("I'll be logged with common and other field")
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contextLogger.Info("Me too")
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