Heroku integration

bactdb.go

@@ -21,14 +21,7 @@ func main() {
 			Name:      "serve",
 			ShortName: "s",
 			Usage:     "Start web server",
-			Flags: []cli.Flag{
-				cli.IntFlag{
-					Name:  "port",
-					Usage: "HTTP service port",
-					Value: 8901,
-				},
-			},
-			Action: cmdServe,
+			Action:    cmdServe,
 		},
 		{
 			Name:      "createdb",
@@ -54,7 +47,12 @@ func main() {
 
 func cmdServe(c *cli.Context) {
 	var err error
-	httpAddr := fmt.Sprintf(":%v", c.Int("port"))
+
+	addr := os.Getenv("PORT")
+	if addr == "" {
+		addr = "8901"
+	}
+	httpAddr := fmt.Sprintf(":%v", addr)
 
 	datastore.Connect()
 	err = api.SetupCerts()

datastore/db.go

@@ -8,7 +8,7 @@ import (
 	"github.com/DavidHuie/gomigrate"
 	"github.com/jmoiron/modl"
 	"github.com/jmoiron/sqlx"
-	_ "github.com/lib/pq"
+	"github.com/lib/pq"
 )
 
 // DB is the global database
@@ -26,8 +26,8 @@ var connectOnce sync.Once
 func Connect() {
 	connectOnce.Do(func() {
 		var err error
-		setDBCredentialsFromFig()
-		DB.Dbx, err = sqlx.Open("postgres", "timezone=UTC sslmode=disable")
+		conn := setDBCredentials()
+		DB.Dbx, err = sqlx.Open("postgres", conn)
 		if err != nil {
 			log.Fatal("Error connecting to PostgreSQL database (using PG* environment variables): ", err)
 		}
@@ -93,11 +93,13 @@ func transact(dbh modl.SqlExecutor, fn func(fbh modl.SqlExecutor) error) error {
 	return nil
 }
 
-func setDBCredentialsFromFig() {
-	if figVal := os.Getenv("BACTDB_DB_1_PORT_5432_TCP_ADDR"); figVal != "" {
-		err := os.Setenv("PGHOST", figVal)
-		if err != nil {
-			log.Print(err)
-		}
+func setDBCredentials() string {
+	connection := "timezone=UTC "
+	if heroku := os.Getenv("HEROKU"); heroku == "true" {
+		url := os.Getenv("DATABASE_URL")
+		conn, _ := pq.ParseURL(url)
+		connection += conn
+		connection += " sslmode=require"
 	}
+	return connection
 }