Change to TZ env var.

compose.timescaledb.yml

@@ -30,14 +30,12 @@ services:
       PG_DB: ${PG_DB}
       TIMESCALEDB_ENABLED: ${TIMESCALEDB_ENABLED}
       LOG_LEVEL: ${LOG_LEVEL}
+      TZ: ${TZ}
     depends_on:
       timescaledb:
         condition: service_healthy
     networks:
       - internal
-    volumes:
-      - /etc/timezone:/etc/timezone:ro
-      - /etc/localtime:/etc/localtime:ro
 
 networks:
   internal:

compose.yml

@@ -10,6 +10,4 @@ services:
       PG_DB: ${PG_DB}
       TIMESCALEDB_ENABLED: ${TIMESCALEDB_ENABLED}
       LOG_LEVEL: ${LOG_LEVEL}
-    volumes:
-      - /etc/timezone:/etc/timezone:ro
-      - /etc/localtime:/etc/localtime:ro
+      TZ: ${TZ}