david
66bc573dfd
The NR base image's /data has restrictive ACLs that block chmod on COPY'd files even as root. Writing start.sh inline with printf + chmod sidesteps this.
45 lines
2.0 KiB
Docker
45 lines
2.0 KiB
Docker
# Node-RED container with Dashboard 2.0 baked in
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# Build once; restart containers freely. NR's automatic package.json install
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# at boot is slow and requires internet; this Dockerfile install is cached
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# and reproducible.
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#
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# Docker volume pattern: ./nodered:/data is a bind mount (settings.js,
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# flows.json, start.sh, package.json are host-owned); /data/node_modules
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# is an anonymous volume so the bind mount doesn't clobber the installed
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# deps. Docker copies the image's node_modules into the volume on first start.
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FROM nodered/node-red:5.0.0
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# Install Dashboard 2.0 (and any future deps) at image-build time.
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# Versions are pinned in infra/nodered/package.json for reproducibility.
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# The NR base image defaults USER to node-red (uid 1000), so switch to root
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# for the install (writes to /data/node_modules need root then chown).
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USER root
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COPY package.json /data/package.json
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WORKDIR /data
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RUN npm install --omit=dev --no-audit --no-fund \
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&& chown -R 1000:1000 /data/node_modules \
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&& echo "[Dockerfile] installed @flowfuse/node-red-dashboard"
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# start.sh handles the SPA base-href patch (idempotent: grep guard).
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# Inline-write + chmod so we don't hit the COPY-then-chmod permission issue
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# (the base image's /data ACLs block chmod on COPY'd files even as root).
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RUN printf "%s\n" \
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"#!/bin/sh" \
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"INDEX=/data/node_modules/@flowfuse/node-red-dashboard/dist/index.html" \
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"BASE_HREF=\"\${DASHBOARD_BASE_HREF:-/dashboard/}\"" \
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"if [ -f \"\$INDEX\" ] && ! grep -q \"<base href\" \"\$INDEX\"; then" \
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" sed -i \"s|<meta name=\\\"description\\\"|<base href=\\\"\$BASE_HREF\\\">" \
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" <meta name=\\\"description\\\"|\" \"\$INDEX\"" \
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" echo \"[start.sh] PATCHED base href=\$BASE_HREF\"" \
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"fi" \
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"cd /usr/src/node-red" \
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"exec node \$NODE_OPTIONS node_modules/node-red/red.js \$FLOWS" \
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> /data/start.sh \
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&& chmod +x /data/start.sh \
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&& chown 1000:1000 /data/start.sh
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# Drop back to NR's default user; userDir is /data via the compose volume mount.
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USER node-red
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WORKDIR /usr/src/node-red
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