diff --git a/.air.toml b/.air.toml new file mode 100644 index 0000000..49468ed --- /dev/null +++ b/.air.toml @@ -0,0 +1,46 @@ +root = "." +testdata_dir = "testdata" +tmp_dir = "tmp" + +[build] + args_bin = [] + bin = "./tmp/main" + cmd = "go build -o ./tmp/main ." + delay = 1000 + exclude_dir = ["assets", "tmp", "vendor", "testdata"] + exclude_file = [] + exclude_regex = ["_test.go"] + exclude_unchanged = false + follow_symlink = false + full_bin = "" + include_dir = [] + include_ext = ["go", "tpl", "tmpl", "html"] + include_file = [] + kill_delay = "0s" + log = "build-errors.log" + poll = false + poll_interval = 0 + post_cmd = [] + pre_cmd = [] + rerun = false + rerun_delay = 500 + send_interrupt = false + stop_on_error = false + +[color] + app = "" + build = "yellow" + main = "magenta" + runner = "green" + watcher = "cyan" + +[log] + main_only = false + time = false + +[misc] + clean_on_exit = false + +[screen] + clear_on_rebuild = false + keep_scroll = true diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..373e013 --- /dev/null +++ b/.gitignore @@ -0,0 +1,20 @@ +# Air tmp directory +tmp/ + +# Go build output +*.exe +*.exe~ +*.dll +*.so +*.dylib +*.test +*.out + +# Go workspace file +go.work + +# Air logs +build-errors.log + +# Environment variables +.env diff --git a/example.txt b/example.txt deleted file mode 100644 index f12533a..0000000 --- a/example.txt +++ /dev/null @@ -1 +0,0 @@ -134879234 diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..d0b1775 --- /dev/null +++ b/go.mod @@ -0,0 +1,40 @@ +module golang-api-server + +go 1.24.1 + +require ( + github.com/bytedance/sonic v1.14.0 // indirect + github.com/bytedance/sonic/loader v0.3.0 // indirect + github.com/cloudwego/base64x v0.1.6 // indirect + github.com/gabriel-vasile/mimetype v1.4.8 // indirect + github.com/gin-contrib/sse v1.1.0 // indirect + github.com/gin-gonic/gin v1.11.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.27.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/goccy/go-yaml v1.18.0 // indirect + github.com/golang-migrate/migrate/v4 v4.19.1 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.3.0 // indirect + github.com/leodido/go-urn v1.4.0 // indirect + github.com/lib/pq v1.10.9 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.2.4 // indirect + github.com/quic-go/qpack v0.5.1 // indirect + github.com/quic-go/quic-go v0.54.0 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.3.0 // indirect + go.uber.org/mock v0.5.0 // indirect + golang.org/x/arch v0.20.0 // indirect + golang.org/x/crypto v0.45.0 // indirect + golang.org/x/mod v0.29.0 // indirect + golang.org/x/net v0.47.0 // indirect + golang.org/x/sync v0.18.0 // indirect + golang.org/x/sys v0.38.0 // indirect + golang.org/x/text v0.31.0 // indirect + golang.org/x/tools v0.38.0 // indirect + google.golang.org/protobuf v1.36.9 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..af95488 --- /dev/null +++ b/go.sum @@ -0,0 +1,97 @@ +github.com/bytedance/sonic v1.14.0 h1:/OfKt8HFw0kh2rj8N0F6C/qPGRESq0BbaNZgcNXXzQQ= +github.com/bytedance/sonic v1.14.0/go.mod h1:WoEbx8WTcFJfzCe0hbmyTGrfjt8PzNEBdxlNUO24NhA= +github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA= +github.com/bytedance/sonic/loader v0.3.0/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI= +github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M= +github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU= 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h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= +github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY= +github.com/go-playground/validator/v10 v10.27.0 h1:w8+XrWVMhGkxOaaowyKH35gFydVHOvC0/uWoy2Fzwn4= +github.com/go-playground/validator/v10 v10.27.0/go.mod h1:I5QpIEbmr8On7W0TktmJAumgzX4CA1XNl4ZmDuVHKKo= +github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU= +github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I= +github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw= +github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA= +github.com/golang-migrate/migrate/v4 v4.19.1 h1:OCyb44lFuQfYXYLx1SCxPZQGU7mcaZ7gH9yH4jSFbBA= +github.com/golang-migrate/migrate/v4 v4.19.1/go.mod h1:CTcgfjxhaUtsLipnLoQRWCrjYXycRz/g5+RWDuYgPrE= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y= +github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0= +github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ= +github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI= +github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw= +github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= +github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= +github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc= 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h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= +github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= +github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= +github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI= +github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08= +github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA= +github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4= +go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU= +go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM= +golang.org/x/arch v0.20.0 h1:dx1zTU0MAE98U+TQ8BLl7XsJbgze2WnNKF/8tGp/Q6c= +golang.org/x/arch v0.20.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk= +golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM= +golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY= +golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q= +golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4= +golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w= +golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww= +golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA= +golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w= +golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs= 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h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4= +golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU= +golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM= +golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM= +golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo= +golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg= +golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ= +golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs= +google.golang.org/protobuf v1.36.9 h1:w2gp2mA27hUeUzj9Ex9FBjsBm40zfaDtEWow293U7Iw= +google.golang.org/protobuf v1.36.9/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/main.go b/main.go new file mode 100644 index 0000000..ab0aed4 --- /dev/null +++ b/main.go @@ -0,0 +1,116 @@ +package main + +import ( + "database/sql" + "fmt" + "log" + "net/http" + "os" + + "github.com/gin-gonic/gin" + "github.com/golang-migrate/migrate/v4" + "github.com/golang-migrate/migrate/v4/database/postgres" + _ "github.com/golang-migrate/migrate/v4/source/file" + _ "github.com/lib/pq" +) + +var db *sql.DB + +func initDB() { + var err error + connStr := os.Getenv("DATABASE_URL") + if connStr == "" { + connStr = "host=localhost port=5432 user=apiserver password=apiserver dbname=apiserver sslmode=disable" + } + + db, err = sql.Open("postgres", connStr) + if err != nil { + log.Fatal("Failed to connect to database:", err) + } + + if err = db.Ping(); err != nil { + log.Fatal("Failed to ping database:", err) + } + + fmt.Println("Database connected successfully!") +} + +func runMigrations() { + driver, err := postgres.WithInstance(db, &postgres.Config{}) + if err != nil { + log.Fatal("Failed to create migration driver:", err) + } + + m, err := migrate.NewWithDatabaseInstance( + "file://migrations", + "postgres", driver) + if err != nil { + log.Fatal("Failed to create migrate instance:", err) + } + + if err := m.Up(); err != nil && err != migrate.ErrNoChange { + log.Fatal("Failed to run migrations:", err) + } + + fmt.Println("Migrations completed successfully!") +} + +type User struct { + ID int `json:"id"` + Name string `json:"name"` + Email string `json:"email"` + CreatedAt string `json:"created_at"` + UpdatedAt string `json:"updated_at"` +} + +func helloWorld(c *gin.Context) { + rows, err := db.Query("SELECT id, name, email, created_at, updated_at FROM users") + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{ + "error": err.Error(), + }) + return + } + defer rows.Close() + + var users []User + for rows.Next() { + var user User + err := rows.Scan(&user.ID, &user.Name, &user.Email, &user.CreatedAt, &user.UpdatedAt) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{ + "error": err.Error(), + }) + return + } + users = append(users, user) + } + + c.JSON(http.StatusOK, gin.H{ + "message": "Hello from PostgreSQL!", + "users": users, + }) +} + +func main() { + initDB() + defer db.Close() + + if os.Getenv("AUTO_MIGRATE") == "true" { + runMigrations() + } + + r := gin.Default() + + r.GET("/hello", helloWorld) + + port := os.Getenv("PORT") + if port == "" { + port = "8080" + } + + fmt.Printf("Server starting on port %s...\n", port) + if err := r.Run(":" + port); err != nil { + log.Fatal("Failed to start server:", err) + } +} diff --git a/migrations/000001_create_users_table.down.sql b/migrations/000001_create_users_table.down.sql new file mode 100644 index 0000000..c99ddcd --- /dev/null +++ b/migrations/000001_create_users_table.down.sql @@ -0,0 +1 @@ +DROP TABLE IF EXISTS users; diff --git a/migrations/000001_create_users_table.up.sql b/migrations/000001_create_users_table.up.sql new file mode 100644 index 0000000..5a2e5c6 --- /dev/null +++ b/migrations/000001_create_users_table.up.sql @@ -0,0 +1,12 @@ +CREATE TABLE IF NOT EXISTS users ( + id SERIAL PRIMARY KEY, + name VARCHAR(255) NOT NULL, + email VARCHAR(255) NOT NULL UNIQUE, + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, + updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP +); + +INSERT INTO users (name, email) VALUES + ('John Doe', 'john@example.com'), + ('Jane Smith', 'jane@example.com'), + ('Bob Johnson', 'bob@example.com');