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...vanced-configuration-file/app.config.json → ...anced-configuration-viper/app.config.json
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{ | ||
"appName": "SimpleApp", | ||
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"server": { | ||
"port": 9000 | ||
} | ||
|
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module chapter-C.8.A-advanced-configuration-viper | ||
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go 1.14 | ||
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require ( | ||
github.com/fsnotify/fsnotify v1.4.7 | ||
github.com/labstack/echo v3.3.10+incompatible | ||
github.com/labstack/gommon v0.3.0 // indirect | ||
github.com/spf13/viper v1.6.3 | ||
) |
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Original file line number | Diff line number | Diff line change |
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run: | ||
export APP_NAME=SimpleApp | ||
export SERVER_PORT=9000 | ||
export SERVER_READ_TIMEOUT_IN_MINUTE=2 | ||
export SERVER_WRITE_TIMEOUT_IN_MINUTE=2 | ||
go run main.go |
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module chapter-C.8.B-best-practice-configuration-env-var | ||
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go 1.14 | ||
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require ( | ||
github.com/labstack/echo v3.3.10+incompatible | ||
github.com/labstack/gommon v0.3.0 // indirect | ||
golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 // indirect | ||
) |
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@@ -0,0 +1,36 @@ | ||
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= | ||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
github.com/labstack/echo v3.3.10+incompatible h1:pGRcYk231ExFAyoAjAfD85kQzRJCRI8bbnE7CX5OEgg= | ||
github.com/labstack/echo v3.3.10+incompatible/go.mod h1:0INS7j/VjnFxD4E2wkz67b8cVwCLbBmJyDaka6Cmk1s= | ||
github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0= | ||
github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k= | ||
github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU= | ||
github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= | ||
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= | ||
github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg= | ||
github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ= | ||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | ||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | ||
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk= | ||
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= | ||
github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= | ||
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= | ||
github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8= | ||
github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8= | ||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= | ||
golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 h1:IaQbIIB2X/Mp/DKctl6ROxz1KyMlKp4uyvL6+kQ7C88= | ||
golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= | ||
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ= | ||
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= | ||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | ||
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | ||
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | ||
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ= | ||
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | ||
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= | ||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= | ||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= | ||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= | ||
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= |
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package main | ||
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import ( | ||
"net/http" | ||
"os" | ||
"strconv" | ||
"time" | ||
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"github.com/labstack/echo" | ||
) | ||
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func main() { | ||
e := echo.New() | ||
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confAppName := os.Getenv("APP_NAME") | ||
if confAppName == "" { | ||
e.Logger.Fatal("APP_NAME config is required") | ||
} | ||
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confServerPort := os.Getenv("SERVER_PORT") | ||
if confAppName == "" { | ||
e.Logger.Fatal("SERVER_PORT config is required") | ||
} | ||
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e.GET("/index", func(c echo.Context) (err error) { | ||
return c.JSON(http.StatusOK, true) | ||
}) | ||
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server := new(http.Server) | ||
server.Addr = ":" + confServerPort | ||
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if confServerReadTimeout := os.Getenv("SERVER_READ_TIMEOUT_IN_MINUTE"); confServerReadTimeout != "" { | ||
duration, _ := strconv.Atoi(confServerReadTimeout) | ||
server.ReadTimeout = time.Duration(duration) * time.Minute | ||
} | ||
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if confServerWriteTimeout := os.Getenv("SERVER_WRITE_TIMEOUT_IN_MINUTE"); confServerWriteTimeout != "" { | ||
duration, _ := strconv.Atoi(confServerWriteTimeout) | ||
server.WriteTimeout = time.Duration(duration) * time.Minute | ||
} | ||
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e.Logger.Print("Starting", confAppName) | ||
e.Logger.Fatal(e.StartServer(server)) | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,5 @@ | ||
set APP_NAME=SimpleApp | ||
set SERVER_PORT=9000 | ||
set SERVER_READ_TIMEOUT_IN_MINUTE=2 | ||
set SERVER_WRITE_TIMEOUT_IN_MINUTE=2 | ||
go run main.go |
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#!/bin/sh | ||
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export APP_NAME=SimpleApp | ||
export SERVER_PORT=9000 | ||
export SERVER_READ_TIMEOUT_IN_MINUTE=2 | ||
export SERVER_WRITE_TIMEOUT_IN_MINUTE=2 | ||
go run main.go |