1 files changed, 80 insertions, 0 deletions
diff --git a/cmd/dbasik-api/main.go b/cmd/dbasik-api/main.go
new file mode 100644
index 0000000..fc03d33
--- /dev/null
+++ b/cmd/dbasik-api/main.go
@@ -0,0 +1,80 @@
+// dbasik provides a service with which to convert spreadsheets containing
+// data to JSON for further processing.
+
+// Copyright (C) 2024 M R Lemon
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"time"
+)
+
+const version = "0.0.1"
+
+// holds the config for our application
+// We will read this from the command line flags when we run the application
+type config struct {
+	port int
+	env  string
+}
+
+// This application struct holds the dependencies for our HTTP handlers, helpers and
+// middleware.
+type application struct {
+	config config
+	logger *slog.Logger
+}
+
+func main() {
+	// Instance of config
+	var cfg config
+
+	// Read the flags into the config struct. Defaults are provided if none given.
+	flag.IntVar(&cfg.port, "port", 4000, "API server port")
+	flag.StringVar(&cfg.env, "env", "development", "Environment (development|staging|production)")
+	flag.Parse()
+
+	// Initialize a new structured logger which writes to stdout
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+
+	// An instance of application struct, containing the config struct and the logger
+	app := &application{
+		config: cfg,
+		logger: logger,
+	}
+
+	// Declare an http server which listens provided in the config struct and has
+	// sensible timeout settings and writes log messages to the structured logger at
+	// Error level.
+	srv := &http.Server{
+		Addr:         fmt.Sprintf(":%d", cfg.port),
+		Handler:      app.routes(),
+		IdleTimeout:  time.Minute,
+		ReadTimeout:  5 * time.Second,
+		WriteTimeout: 10 * time.Second,
+		ErrorLog:     slog.NewLogLogger(logger.Handler(), slog.LevelError),
+	}
+
+	logger.Info("starting server", "addr", srv.Addr, "env", cfg.env)
+
+	err := srv.ListenAndServe()
+	logger.Error(err.Error())
+	os.Exit(1)
+}