init
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31
db/connection.go
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31
db/connection.go
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package db
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import (
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"database/sql"
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"fmt"
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"log"
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"os"
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_ "github.com/go-sql-driver/mysql"
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)
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var DB *sql.DB
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func InitDB() {
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s",
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os.Getenv("DB_USER"),
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os.Getenv("DB_PASSWORD"),
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os.Getenv("DB_HOST"),
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os.Getenv("DB_PORT"),
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os.Getenv("DB_NAME"),
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)
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var err error
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DB, err = sql.Open("mysql", dsn)
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if err != nil {
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log.Fatal("Fehler bei DB-Verbindung:", err)
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}
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if err = DB.Ping(); err != nil {
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log.Fatal("Keine Verbindung zur Datenbank möglich:", err)
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}
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log.Println("Datenbankverbindung erfolgreich!")
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}
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