Update Dockerfile

battybirdnet-pi/Dockerfile

@@ -101,7 +101,13 @@ RUN \
     \
     # Cleanup
     apt-get clean all && \
-    rm -rf /var/lib/apt/lists/*
+    rm -rf /var/lib/apt/lists/* && \
+    \
+    # Use only first user
+    for file in $(grep -rl "'/1000/{print \$1}'" "$HOME"); do \
+      sed -i "s|'/1000/{print \$1}'|'/1000/{print \$1; exit}'|" "$file" && \
+      sed -i "s|'/1000/{print \$6}'|'/1000/{print \$6; exit}'|" "$file"; \
+    done
 
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 # 2 Modify Image #