Initial 1.0 version, created alpine and node 20 based docker image for FoundryVTT and set up entrypoint script.

Dockerfile

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+FROM node:20-alpine
+LABEL maintainer="crovaxon"
+
+WORKDIR /app
+
+ENV PUID=99
+ENV PGID=100
+ENV UMASK=022
+ENV PATH="/app:${PATH}"
+
+#RUN addgroup -g ${GUID} foundry
+#RUN adduser -H -u ${PUID} -s /bin/bash foundry foundry
+#USER foundry
+
+RUN apk update & apk add --no-cache ca-certificates libstdc++ su-exec bash-completion tar nodejs npm
+
+COPY entrypoint.sh ./
+
+# directory of the Foundry application
+VOLUME /foundry
+#directory of the Foundry user data
+VOLUME /foundrydata
+
+# default TCP port
+EXPOSE 30000
+
+ENTRYPOINT ["/app/entrypoint.sh"]

entrypoint.sh

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+#!/bin/sh
+
+chown -R ${PUID}:${PGID} /foundry
+exec su-exec ${PUID}:${PGID} node /foundry/resources/app/main.js --dataPath=/foundrydata