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fix: resolve issues with Dockerfile, change main.go to use LF line en…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,17 +1,18 @@ | ||
| FROM golang:1.21.4 AS build-env | ||
| FROM golang:1.21.4 AS builder | ||
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| WORKDIR /app | ||
| WORKDIR /build | ||
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| COPY go.mod go.sum ./ | ||
| RUN go mod download | ||
| RUN go mod download | ||
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| COPY ./ ./ | ||
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| RUN CGO_ENABLED=1 GOOS=linux go build -o ./currency-rates-cronjob | ||
| RUN CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags='-s -w' -trimpath -o /dist/currency-rates-cronjob | ||
| RUN ldd /dist/currency-rates-cronjob | tr -s [:blank:] '\n' | grep ^/ | xargs -I % install -D % /dist/% | ||
| RUN ln -s ld-musl-x86_64.so.1 /dist/lib/libc.musl-x86_64.so.1 | ||
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| FROM scratch | ||
| FROM scratch AS runner | ||
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| COPY --from=build-env /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ | ||
| COPY --from=build-env /app/currency-rates-cronjob /currency-rates-cronjob | ||
| COPY --from=builder /dist / | ||
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| ENTRYPOINT ["/currency-rates-cronjob"] | ||
| ENTRYPOINT [ "/currency-rates-cronjob" ] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,147 +1,147 @@ | ||
| //go:build linux && amd64 && cgo | ||
| // +build linux,amd64,cgo | ||
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| package main | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "time" | ||
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| "github.com/attributeerror/currency-rates-cronjob/database" | ||
| "github.com/attributeerror/currency-rates-cronjob/repositories" | ||
| "github.com/bradhe/stopwatch" | ||
| "github.com/joho/godotenv" | ||
| "github.com/pkg/errors" | ||
| ) | ||
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| func main() { | ||
| err := godotenv.Load() | ||
| if err != nil && !os.IsNotExist(err) { | ||
| panic(fmt.Errorf("error whilst opening .env: %w", err)) | ||
| } | ||
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| database, err := initDatabase() | ||
| if err != nil { | ||
| panic(fmt.Errorf("error whilst initialising database: %w", err)) | ||
| } | ||
| defer database.Close() | ||
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| fixerIoKey, err := loadEnvVar("FIXERIO_KEY", WithIsRequired(true)) | ||
| if err != nil { | ||
| if (errors.Is(err, EnvVarNotFoundError{})) { | ||
| panic(err) | ||
| } | ||
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| panic(fmt.Errorf("an error occurred whilst trying to load environment variable %s: %w", "FIXERIO_KEY", err)) | ||
| } | ||
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| fixerIoRepository, err := repositories.InitFixerIoRepository("http://data.fixer.io/api", *fixerIoKey, nil) | ||
| if err != nil { | ||
| panic(fmt.Errorf("error whilst initialising fixer.io repository: %w", err)) | ||
| } | ||
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| if err := run(database, fixerIoRepository); err != nil { | ||
| panic(fmt.Errorf("error during runtime: %w", err)) | ||
| } | ||
| } | ||
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| func initDatabase() (*database.TursoDatabase, error) { | ||
| primaryUrl, err := loadEnvVar("TURSO_URL", WithIsRequired(true)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| authToken, err := loadEnvVar("TURSO_AUTH_TOKEN", WithIsRequired(true)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| dbName, _ := loadEnvVar("TURSO_DB_NAME", WithIsRequired(false), WithDefaultValue("currency-rates")) | ||
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| database, err := database.InitTursoDatabase(*primaryUrl, *authToken, *dbName, 1*time.Minute) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return database, err | ||
| } | ||
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| func run(db database.Database, fixerIoRepository repositories.CurrencyRatesRepository) (err error) { | ||
| stopwatch := stopwatch.Start() | ||
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| latestResponse, err := fixerIoRepository.GetLatestRates() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| stopwatch.Stop() | ||
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| fmt.Printf("--- FIXER.IO RESPONSE (fetched in %dms) ---\n", stopwatch.Milliseconds()) | ||
| for key, val := range latestResponse.Rates { | ||
| fmt.Println("1 EUR ->", key, "=", val, key) | ||
| } | ||
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| stopwatch = stopwatch.Start() | ||
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| success, err := db.SetCurrencyRates(latestResponse.Rates) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| stopwatch.Stop() | ||
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| if success { | ||
| fmt.Printf("database records updated in %dms\n", stopwatch.Milliseconds()) | ||
| } else { | ||
| fmt.Println("unknown error occurred whilst updating database records...") | ||
| } | ||
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| stopwatch = stopwatch.Start() | ||
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| if tursoDb, ok := db.(*database.TursoDatabase); ok { | ||
| err = tursoDb.SyncEmbeddedReplica() | ||
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| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
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| stopwatch.Stop() | ||
| fmt.Printf("synced embedded replica in %dms", stopwatch.Milliseconds()) | ||
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| stopwatch = stopwatch.Start() | ||
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| currencyRates, err := db.GetCurrencyRates() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| stopwatch.Stop() | ||
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| fmt.Printf("\n--- DATABASE RECORDS (fetched in %dms) ---\n", stopwatch.Milliseconds()) | ||
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| for key, val := range currencyRates { | ||
| fmt.Printf("%s -> %f\n", key, val) | ||
| } | ||
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| return nil | ||
| } | ||
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| func loadEnvVar(envVar string, options ...EnvVarOption) (*string, error) { | ||
| opts := &EnvVarOptions{} | ||
| for _, option := range options { | ||
| option(opts) | ||
| } | ||
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| if value, exists := os.LookupEnv(envVar); exists { | ||
| return &value, nil | ||
| } else if opts.Required { | ||
| return nil, &EnvVarNotFoundError{ | ||
| envVar, | ||
| } | ||
| } else if opts.DefaultValue != "" { | ||
| return &opts.DefaultValue, nil | ||
| } | ||
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| return nil, nil | ||
| } | ||
| //go:build linux && amd64 && cgo | ||
| // +build linux,amd64,cgo | ||
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| package main | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "time" | ||
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| "github.com/attributeerror/currency-rates-cronjob/database" | ||
| "github.com/attributeerror/currency-rates-cronjob/repositories" | ||
| "github.com/bradhe/stopwatch" | ||
| "github.com/joho/godotenv" | ||
| "github.com/pkg/errors" | ||
| ) | ||
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| func main() { | ||
| err := godotenv.Load() | ||
| if err != nil && !os.IsNotExist(err) { | ||
| panic(fmt.Errorf("error whilst opening .env: %w", err)) | ||
| } | ||
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| database, err := initDatabase() | ||
| if err != nil { | ||
| panic(fmt.Errorf("error whilst initialising database: %w", err)) | ||
| } | ||
| defer database.Close() | ||
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| fixerIoKey, err := loadEnvVar("FIXERIO_KEY", WithIsRequired(true)) | ||
| if err != nil { | ||
| if (errors.Is(err, EnvVarNotFoundError{})) { | ||
| panic(err) | ||
| } | ||
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| panic(fmt.Errorf("an error occurred whilst trying to load environment variable %s: %w", "FIXERIO_KEY", err)) | ||
| } | ||
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| fixerIoRepository, err := repositories.InitFixerIoRepository("http://data.fixer.io/api", *fixerIoKey, nil) | ||
| if err != nil { | ||
| panic(fmt.Errorf("error whilst initialising fixer.io repository: %w", err)) | ||
| } | ||
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| if err := run(database, fixerIoRepository); err != nil { | ||
| panic(fmt.Errorf("error during runtime: %w", err)) | ||
| } | ||
| } | ||
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| func initDatabase() (*database.TursoDatabase, error) { | ||
| primaryUrl, err := loadEnvVar("TURSO_URL", WithIsRequired(true)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| authToken, err := loadEnvVar("TURSO_AUTH_TOKEN", WithIsRequired(true)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| dbName, _ := loadEnvVar("TURSO_DB_NAME", WithIsRequired(false), WithDefaultValue("currency-rates")) | ||
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| database, err := database.InitTursoDatabase(*primaryUrl, *authToken, *dbName, 1*time.Minute) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return database, err | ||
| } | ||
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| func run(db database.Database, fixerIoRepository repositories.CurrencyRatesRepository) (err error) { | ||
| stopwatch := stopwatch.Start() | ||
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| latestResponse, err := fixerIoRepository.GetLatestRates() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| stopwatch.Stop() | ||
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| fmt.Printf("--- FIXER.IO RESPONSE (fetched in %dms) ---\n", stopwatch.Milliseconds()) | ||
| for key, val := range latestResponse.Rates { | ||
| fmt.Println("1 EUR ->", key, "=", val, key) | ||
| } | ||
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| stopwatch = stopwatch.Start() | ||
|
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| success, err := db.SetCurrencyRates(latestResponse.Rates) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| stopwatch.Stop() | ||
|
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| if success { | ||
| fmt.Printf("database records updated in %dms\n", stopwatch.Milliseconds()) | ||
| } else { | ||
| fmt.Println("unknown error occurred whilst updating database records...") | ||
| } | ||
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| stopwatch = stopwatch.Start() | ||
|
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| if tursoDb, ok := db.(*database.TursoDatabase); ok { | ||
| err = tursoDb.SyncEmbeddedReplica() | ||
|
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| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| stopwatch.Stop() | ||
| fmt.Printf("synced embedded replica in %dms", stopwatch.Milliseconds()) | ||
|
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| stopwatch = stopwatch.Start() | ||
|
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| currencyRates, err := db.GetCurrencyRates() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| stopwatch.Stop() | ||
|
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| fmt.Printf("\n--- DATABASE RECORDS (fetched in %dms) ---\n", stopwatch.Milliseconds()) | ||
|
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| for key, val := range currencyRates { | ||
| fmt.Printf("%s -> %f\n", key, val) | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func loadEnvVar(envVar string, options ...EnvVarOption) (*string, error) { | ||
| opts := &EnvVarOptions{} | ||
| for _, option := range options { | ||
| option(opts) | ||
| } | ||
|
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| if value, exists := os.LookupEnv(envVar); exists { | ||
| return &value, nil | ||
| } else if opts.Required { | ||
| return nil, &EnvVarNotFoundError{ | ||
| envVar, | ||
| } | ||
| } else if opts.DefaultValue != "" { | ||
| return &opts.DefaultValue, nil | ||
| } | ||
|
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| return nil, nil | ||
| } |