Initial commit. Working login, example UI with prototype and demo, connections to DB and DAV, local and prod setups.

backend/db/db_dev.go

@@ -0,0 +1,64 @@
+//go:build dev
+// +build dev
+
+package db
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+var DB *pgxpool.Pool
+
+func Connect() error {
+	// Connect to Postgres inside Docker network
+	dsn := fmt.Sprintf(
+		"postgres://%s:%s@localhost:5432/%s?sslmode=disable",
+		getEnv("POSTGRES_USER"),
+		getEnv("POSTGRES_PASSWORD"),
+		getEnv("POSTGRES_DB"),
+	)
+
+	pool, err := pgxpool.New(context.Background(), dsn)
+	if err != nil {
+		return err
+	}
+
+	DB = pool
+
+	err = testDB()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func testDB() error {
+	ctx := context.Background()
+	conn, err := DB.Acquire(ctx)
+	if err != nil {
+		return err
+	}
+	defer conn.Release()
+
+	row := conn.QueryRow(ctx, "SELECT 1")
+	var result int
+	err = row.Scan(&result)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func getEnv(key string) string {
+	if val := os.Getenv(key); val != "" {
+		return val
+	}
+	log.Fatal("FATAL: Environment variable not set:", key)
+	return ""
+}