Make using TimescaleDB optional.

compose.timescaledb.yml

@@ -28,6 +28,7 @@ services:
       MQTT_USERNAME: ${MQTT_USERNAME}
       MQTT_PASSWORD: ${MQTT_PASSWORD}
       PG_DB: ${PG_DB}
+      TIMESCALEDB_ENABLE: ${TIMESCALEDB_ENABLED}
       LOG_LEVEL: ${LOG_LEVEL}
     depends_on:
       timescaledb:

compose.yml

@@ -8,6 +8,7 @@ services:
       MQTT_USERNAME: ${MQTT_USERNAME}
       MQTT_PASSWORD: ${MQTT_PASSWORD}
       PG_DB: ${PG_DB}
+      TIMESCALEDB_ENABLED: ${TIMESCALEDB_ENABLED}
       LOG_LEVEL: ${LOG_LEVEL}
     volumes:
       - /etc/timezone:/etc/timezone:ro

example.env

@@ -4,5 +4,7 @@ MQTT_USERNAME=your_username
 MQTT_PASSWORD=your_password
 
 PG_DB='host=localhost port=5432 user=postgres password=secret-replace dbname=p1 sslmode=disable'
+TIMESCALEDB_ENABLED=true
+
 # LOG_LEVEL: DEBUG, INFO, WARN or ERROR. Standard: INFO
 LOG_LEVEL=INFO

main.go

@@ -315,14 +315,6 @@ func connectToPostgreSQL(pgConnStr string) error {
 		time.Sleep(5 * time.Second) // Retry after 5 seconds
 	}
 
-	// Enable TimescaleDB
-	_, err = db.Exec(`
-		CREATE EXTENSION IF NOT EXISTS timescaledb;
-	`)
-	if err != nil {
-		log.Fatal("Error creating TimescaleDB extension:", err)
-	}
-
 	// Create table if not exists
 	_, err = db.Exec(`
 		CREATE TABLE IF NOT EXISTS p1 (
@@ -349,11 +341,24 @@ func connectToPostgreSQL(pgConnStr string) error {
 			returning_l2 INT,
 			returning_l3 INT
 			);
-		SELECT create_hypertable('p1', 'timestamp', if_not_exists => TRUE);
 	`)
 	if err != nil {
 		log.Fatal("Error creating table:", err)
 	}
 
+	timescaleDBEnabled := os.Getenv("TIMESCALEDB_ENABLED")
+
+	if timescaleDBEnabled == "true" {
+		// Enable TimescaleDB
+		_, err = db.Exec(`
+		CREATE EXTENSION IF NOT EXISTS timescaledb;
+		SELECT create_hypertable('p1', 'timestamp', if_not_exists => TRUE);
+	`)
+		if err != nil {
+			log.Fatal("Error creating TimescaleDB extension:", err)
+		}
+
+	}
+
 	return nil
 }