diff --git a/ch6/ch6-particles/Dockerfile b/ch6/ch6-particles/Dockerfile
index ea4ce2fe..5acec8d9 100644
--- a/ch6/ch6-particles/Dockerfile
+++ b/ch6/ch6-particles/Dockerfile
@@ -1,7 +1,22 @@
-FROM rust:1.30
+# Build container with:
+#
+# docker build . --tag particles
+#
+# Run container with something like:
+#
+# XSOCK=/tmp/.X11-unix
+# XAUTH=/tmp/.docker.xauth
+# touch "${XAUTH}"
+# xauth nlist :0 | sed -e 's/^..../ffff/' | xauth -f "${XAUTH}" nmerge -
+# docker run -ti -v /etc/passwd:/etc/passwd:ro -v /etc/group:/etc/group:ro -v "${XSOCK}:${XSOCK}" -v "${XAUTH}:${XAUTH}" -v /dev/dri/card0:/dev/dri/card0 -e "XAUTHORITY=${XAUTH}" -e DISPLAY -e HOME -e USER --user "$(id -u):$(id -g)" --rm particles
+#
+FROM rust:1.66
+
+RUN apt-get update
+RUN apt-get -y install libxcursor-dev libxrandr2 libxi6 libx11-xcb1 libgl1
 
 WORKDIR /opt/particles
 COPY . .
-RUN [[ -f Cargo.lock ]] && rm Cargo.lock || true
+RUN test -f Cargo.lock && rm Cargo.lock || true
 RUN cargo build
-CMD ["particles"]
+CMD ["/opt/particles/target/debug/ch6-particles"]