Alpine images

base/app/init.d/01-init.sh

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+#!/usr/bin/env bash
+# Create base directories
+for dir in vnc config ssh
+do
+    [ -d ~/.${dir} ] || mkdir -p ~/.${dir}
+done
+
+## OPTIONAL: More commands may be added below
+

base/app/init.d/10-nginx.sh

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+#!/usr/bin/env bash
+# Reformat path
+if [[ ${MYVNC_PROXYPATH} == "/" ]]
+then
+    unset _MYVNC_PROXYPATH
+elif [ ${MYVNC_PROXYPATH} ]
+then
+    _MYVNC_PROXYPATH=$(echo ${MYVNC_PROXYPATH} | sed "s|^/*||g;s|/*$||g;s|/*/|/|g;s|^|/|")
+fi
+
+# Add novnc virtual proxy conf
+cat >/app/nginx/novnc.conf <<- novnc
+upstream vnc_proxy {
+    server 127.0.0.1:6080;
+}
+
+server {
+    listen 6900;
+
+    location ${_MYVNC_PROXYPATH}/websockify {
+        proxy_http_version 1.1;
+        proxy_pass http://vnc_proxy/;
+        proxy_set_header Upgrade \$http_upgrade;
+        proxy_set_header Connection "upgrade";
+
+        # VNC connection timeout
+        proxy_read_timeout 3600s;
+        proxy_send_timeout 3600s;
+
+        # Disable cache
+        proxy_buffering off;
+    }
+
+    location ${_MYVNC_PROXYPATH}/ {
+        index vnc.html;
+        alias /usr/share/novnc/;
+        try_files \$uri \$uri/ /vnc.html;
+
+        # In the location block related to noVNC
+        add_header Cache-Control no-cache;
+    }
+}
+novnc
+
+# Start nginx
+doas /usr/sbin/nginx -g "daemon off;" &

base/app/init.d/10-novnc.sh

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+#!/usr/bin/env bash
+# Turn vnc sharing on/off
+if [[ ${MYVNC_VNCSHARING} == "true" ]] || [[ ${MYVNC_VNCSHARING} == "1" ]]
+then
+    _MYVNC_VNCSHARING=true
+else
+    _MYVNC_VNCSHARING=false
+fi
+
+# Always default to remote scaling
+sed -i "/UI.initSetting\|resize/ s/resize', '.*');/resize', 'scale');/" /usr/share/novnc/app/ui.js
+
+# Always default to autoconnect=true
+sed -i "/let autoconnect/ s/autoconnect', .*);/autoconnect', true);/" /usr/share/novnc/app/ui.js
+
+# Change vnc shared view settings (defaults to false/off)
+sed -i "/UI.initSetting\|shared/ s/shared', .*);/shared', ${_MYVNC_VNCSHARING});/" /usr/share/novnc/app/ui.js
+
+# NoVNC custom title
+sed -i "/<title>noVNC<\/title>/ s/noVNC/${MYVNC_CUSTOM_TITLE:-noVNC}/g" /usr/share/novnc/*.html
+
+# Apply subpath to websocket
+if [[ ${MYVNC_PROXYPATH} == "/" ]]
+then
+    unset _MYVNC_PROXYPATH
+elif [ ${MYVNC_PROXYPATH} ]
+then
+    _MYVNC_PROXYPATH=$(echo ${MYVNC_PROXYPATH} | sed "s|^/*||g;s|/*$||g;s|/*/|/|g")
+    sed -i "/UI.initSetting/ s|websockify|${_MYVNC_PROXYPATH}/&|" /usr/share/novnc/app/ui.js
+fi
+
+# Start NoVNC
+novnc_server \
+    --vnc ${MYVNC_VNCSERVER_HOST:-localhost}:${MYVNC_VNCSERVER_PORT:-5900} \
+    --file-only &