Added tzdata to allow time zone to be set properly. (#93)

* Update Dockerfile

Added entries to install TZ data package

* Added value for timezone

Added entry to set timezone to proper value

* Correct typo

Corrected type in sample TZ entry.

Dockerfile

@@ -22,6 +22,13 @@ ENV DATA_DIR=/data/
 # GCC, python3-dev, and musl-dev are required for pillow, and jpeg-dev and zlib-dev are required for jpeg support.
 RUN apk add --no-cache curl ffmpeg jq python3 python3-dev gcc musl-dev py3-pip py3-virtualenv jpeg-dev libjpeg-turbo-dev zlib-dev py3-pillow libffi-dev
 
+# Timezone setup steps
+# These steps are necessary to add timezone support to the container and allow for setting the timezone
+# This allows the log files to show the correct local time
+RUN apk add --no-cache tzdata
+ENV TZ=Etc/GMT
+RUN cp /usr/share/zoneinfo/Etc/GMT /etc/localtime
+
 #
 # We decided to not run the installer, since the point of the installer is to setup the env, build the launch args, and setup the service.
 # Instead, we will manually run the smaller subset of commands that are required to get the env setup in docker.

docker-compose.yml

@@ -9,6 +9,9 @@ services:
       - SERIAL_NUMBER=XXXXXXXXXXXXXXX
         # Find using the printer's display or use https://octoeverywhere.com/s/bambu-ip
       - PRINTER_IP=XXX.XXX.XXX.XXX
+        # Set timezone to proper timezone for logs using standard timezones:
+        # https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List
+      - TZ=America/New_York
 
       # Optionally: If you want to connect via the Bambu Cloud, you can specify the following environment variables.
       # By default the plugin will use the local connection mode, which is preferred.
@@ -47,4 +50,4 @@ services:
   #
   #   volumes:
   #     # Specify a path mapping for the required persistent storage
-  #     - ./data:/data
+  #     - ./data:/data