fix: use build-essential, enable universe repository, and add apt-get lock timeout for dependency installation.

cmdeploy/src/cmdeploy/deployers.py

@@ -130,8 +130,8 @@ def _install_remote_venv_with_chatmaild() -> None:
     )
 
     apt.packages(
-        name="install gcc and headers to build crypt_r source package",
-        packages=["gcc", "python3-dev"],
+        name="install build-essential and headers to build crypt_r source package",
+        packages=["build-essential", "python3-dev"],
     )
 
     server.shell(
@@ -504,6 +504,10 @@ class ChatmailDeployer(Deployer):
             name="Fix broken packages",
             commands=["apt-get install -f -y"],
         )
+        server.shell(
+            name="Enable universe repository",
+            commands=["add-apt-repository -y universe || true"],
+        )
         apt.update(name="apt update", cache_time=24 * 3600)
         apt.upgrade(name="upgrade apt packages", auto_remove=True)
 

init.sh

@@ -3,8 +3,14 @@ set -e
 
 # 1. Update and install dependencies
 echo "--- Installing dependencies ---"
-sudo apt update
-sudo apt install -y git curl wget python3-dev gcc python3 nano sed
+# Ubuntu 24.04 and others might need universe for python3-dev
+if command -v add-apt-repository > /dev/null 2>&1; then
+    sudo add-apt-repository -y universe
+fi
+
+# We use a timeout for the lock to handle automatic updates running in the background
+sudo apt-get update -o DPkg::Lock::Timeout=120
+sudo apt-get install -y -o DPkg::Lock::Timeout=120 git curl wget python3-dev build-essential python3 nano sed
 
 # 1.1 Install uv
 export PATH="$HOME/.local/bin:/root/.local/bin:$PATH"