diff --git a/run-svitak.sh b/run-svitak.sh
index ba7084f..6410ede 100755
--- a/run-svitak.sh
+++ b/run-svitak.sh
@@ -1,14 +1,26 @@
 #!/bin/sh
+set -e
 
-BOOK_PATH=""
+BOOK_PATH="/home/user/static/3-I/books/delayed-call-toni-aleo.epub"
 
 mkdir -p /tmp/guix-dbus
 echo "00000000000000000000000000000000" > /tmp/guix-dbus/machine-id
 
+# --- Build outside the container ---------------------------------------------
+# The dev shell has the full toolchain and needs no display. --offline reuses
+# the cached build plan + package store (~/.local/state/cabal), so no hackage
+# index or network is required. GHC_PACKAGE_PATH must be unset for cabal.
+BUILD='unset GHC_PACKAGE_PATH; cabal build --offline svitak'
+guix shell -D -f guix.scm -- sh -c "$BUILD"
+SVITAK_BIN=$(guix shell -D -f guix.scm -- sh -c 'unset GHC_PACKAGE_PATH; cabal list-bin --offline svitak')
+
+# --- Run inside the container ------------------------------------------------
+# The compiled binary statically links its Haskell deps; it only needs the C
+# libraries (GTK/WebKit) from the guix profile via LD_LIBRARY_PATH, plus the
+# Wayland/D-Bus sockets shared below. No cabal at runtime.
 guix shell -C -N --emulate-fhs \
-  --share=$HOME/.cabal=$HOME/.cabal \
   --share=$PWD=$PWD \
-  --share="$HOME/3-I/books"="$HOME/3-I/books" \
+  --share="$HOME/static/3-I/books"="$HOME/static/3-I/books" \
   --share="$XDG_RUNTIME_DIR"="$XDG_RUNTIME_DIR" \
   --share="$XDG_RUNTIME_DIR/bus"="$XDG_RUNTIME_DIR/bus" \
   --share=/tmp/guix-dbus/machine-id=/etc/machine-id \
@@ -21,7 +33,9 @@ guix shell -C -N --emulate-fhs \
   bash -c "export LD_LIBRARY_PATH=\$GUIX_ENVIRONMENT/lib:\$LD_LIBRARY_PATH
     export GI_TYPELIB_PATH=\$GUIX_ENVIRONMENT/lib/girepository-1.0:\$GI_TYPELIB_PATH
 
-    echo \"LD_LIBRARY_PATH is: \$LD_LIBRARY_PATH\"
+    # WebKitGTK renders a blank/white surface inside the sandboxed container
+    # unless its GPU compositing + DMABUF renderer are disabled.
+    export WEBKIT_DISABLE_COMPOSITING_MODE=1
+    export WEBKIT_DISABLE_DMABUF_RENDERER=1
 
-    cabal clean
-    cabal run svitak -- \"$BOOK_PATH\""
+    \"$SVITAK_BIN\" \"$BOOK_PATH\""