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feat: install novnc from apk #2

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feat: install novnc from apk #2

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8679c4f
feat: install novnc from apk
hlf20010508 May 27, 2024
64b6f2e
docs: instruction for OpenGL on CPU-only host
hlf20010508 May 27, 2024
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39 changes: 15 additions & 24 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,35 +1,26 @@
FROM alpine:edge

RUN \
# Install required packages
echo "http://dl-3.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories && \
apk --update --upgrade add \
bash \
fluxbox \
git \
supervisor \
xvfb \
x11vnc \
&& \
# Install noVNC
git clone --depth 1 https://github.com/novnc/noVNC.git /root/noVNC && \
git clone --depth 1 https://github.com/novnc/websockify /root/noVNC/utils/websockify && \
rm -rf /root/noVNC/.git && \
rm -rf /root/noVNC/utils/websockify/.git && \
apk del git && \
sed -i -- "s/ps -p/ps -o pid | grep/g" /root/noVNC/utils/launch.sh
# Install required packages
echo "http://dl-3.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories &&\
apk --update --upgrade add --no-cache \
fluxbox \
supervisor \
xvfb \
x11vnc \
novnc

COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
EXPOSE 8080

# Setup environment variables
ENV HOME=/root \
DEBIAN_FRONTEND=noninteractive \
LANG=en_US.UTF-8 \
LANGUAGE=en_US.UTF-8 \
LC_ALL=C.UTF-8 \
DISPLAY=:0.0 \
DISPLAY_WIDTH=1024 \
DISPLAY_HEIGHT=768
DEBIAN_FRONTEND=noninteractive \
LANG=en_US.UTF-8 \
LANGUAGE=en_US.UTF-8 \
LC_ALL=C.UTF-8 \
DISPLAY=:0.0 \
DISPLAY_WIDTH=1024 \
DISPLAY_HEIGHT=768

CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]
12 changes: 10 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,21 @@ RUN \
echo 'autorestart=true' >> supervisord.conf
```

# With OpenGL
To support OpenGL on a CPU-only host, add this package:
```Dockerfile
RUN apk add --no-cache mesa-dri-gallium
```

Build and run the image.

```bash
$ docker build -t mynovnc .
$ docker run -it --rm -p 8080:8080 mynovnc
```

Open the browser http://localhost:8080.
Open the browser http://localhost:8080/vnc.html.
Click 'Connect'.
Then you can see xterm.
Then you can see xterm.

Or open http://localhost:8080/vnc_lite.html.
3 changes: 1 addition & 2 deletions supervisord.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -10,10 +10,9 @@ command=/usr/bin/x11vnc
autorestart=true

[program:novnc]
command=/root/noVNC/utils/launch.sh --vnc localhost:5900 --listen 8080
command=novnc_server --vnc localhost:5900 --listen 8080
autorestart=true

[program:fluxbox]
command=fluxbox
autorestart=true