Maximize QGIS when it starts

Dockerfile

@@ -19,6 +19,10 @@ ENV DESKTOP_FILES_DIR /opt/desktop-files
 ENV MIME_FILES_DIR /opt/mime-files
 RUN mkdir -p ${DESKTOP_FILES_DIR} ${MIME_FILES_DIR}
 
+# Enable the following line to allow the jovyan user to run sudo commands without a password
+# RUN echo "jovyan ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+RUN apt-get update && apt-get -y install wmctrl
+
 USER ${NB_UID}
 
 # Setup qgis
@@ -36,4 +40,6 @@ COPY qgis.desktop ${DESKTOP_FILES_DIR}/qgis.desktop
 # See: https://manpages.ubuntu.com/manpages/focal/en/man1/xdg-autostart.1.html
 COPY qgis.desktop /etc/xdg/autostart/qgis.desktop
 
+COPY qgis.bash /home
+
 COPY qgis.xml ${MIME_FILES_DIR}/qgis.xml

docker-compose.yaml

@@ -0,0 +1,11 @@
+version: '3'
+services:
+  qgis:
+    image: qgis
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8888:8888"
+    security_opt:
+      - seccomp:unconfined

qgis.bash

@@ -0,0 +1,27 @@
+#!/bin/bash -l
+
+function maximize_qgis_window() {
+    # Set the desired size
+    desired_width=1680
+    desired_height=999 # or 1050
+    while true; do
+        window_id=$(wmctrl -l | grep 'QGIS' | awk '{print $1}')
+        if [ -n "$window_id" ]; then
+            window_info=$(wmctrl -lG | grep "$window_id")
+            width=$(echo "$window_info" | awk '{print $5}')
+            height=$(echo "$window_info" | awk '{print $6}')
+            if [ "$width" -lt "$desired_width" ] || [ "$height" -lt "$desired_height" ]; then
+                echo "QGIS window is smaller than $desired_width x $desired_height. Maximizing..."
+                wmctrl -i -r "$window_id" -b add,maximized_vert,maximized_horz
+            else
+                echo "QGIS window is at least $desired_width x $desired_height"
+            fi
+        else
+            echo "QGIS window not found"
+        fi
+        sleep 2
+    done
+}
+
+# Start QGIS
+qgis & maximize_qgis_window

qgis.desktop

@@ -5,7 +5,7 @@ Name=QGIS Desktop
 GenericName=Geographic Information System
 Icon=/opt/conda/share/qgis/images/icons/qgis-icon-512x512.png
 TryExec=qgis
-Exec=qgis %F
+Exec=/home/qgis.bash %F
 Terminal=false
 StartupNotify=false
 Categories=Qt;Education;Science;Geography;