Deno docker update (#174)

Fix #150: update Dockerfile and docker-compose

Dockerfile

@@ -1,12 +1,26 @@
-FROM node:18.6.0-slim
+FROM denoland/deno:alpine-1.28.3
 
-RUN mkdir /space
-RUN chown node:node /space
-USER node 
-WORKDIR /space
+# The volume that will keep the space data
+# Create a volume first:
+#   docker volume create myspace
+# Then bind-mount it when running the container with the -v flag, e.g.:
+#   docker run -v myspace:/space -it zefhemel/silverbullet
+VOLUME /space
 
-RUN npx --yes @silverbulletmd/server || true 
+# Copy the bundled version of silverbullet into the container
+ADD ./dist/silverbullet.js /silverbullet.js
 
+# Make sure the deno user has access to the space volume
+RUN mkdir -p /space
+RUN chown -R deno:deno /space
+
+# deno user id is 1000 in alpine image
+USER deno
+
+# Expose port 3000
+# Port map this when running, e.g. with -p 3002:3000 (where 3002 is the host port)
 EXPOSE 3000
 
-CMD ["sh","-c","npx --yes @silverbulletmd/server --port 3000 /space"]
+# Run the server, allowing to pass in additional argument at run time, e.g.
+#   docker run -p 3002:3000 -v myspace:/space -it zefhemel/silverbullet --user me:letmein
+ENTRYPOINT ["/tini", "--", "deno", "run", "-A", "--unstable", "/silverbullet.js", "/space"]