added Dockerfile for sdserver

apps/server/Dockerfile

@@ -1,7 +1,28 @@
-FROM gcr.io/distroless/cc
+FROM debian:stable-slim
 
+# Arguments and labels
+ARG USER=spaceboy
+LABEL org.opencontainers.image.title="Spacedrive Server"
+LABEL org.opencontainers.image.source="https://github.com/spacedriveapp/spacedrive"
+
+# Install dependencies
+RUN apt-get update && apt-get install -y libavdevice-dev libavfilter-dev libavformat-dev libavcodec-dev libavutil-dev
+
+# Copy the compiled server CLI into the container
 COPY ./server /sdserver
 
+# Expose webserver
 EXPOSE 8080
 
+# Create the data directory to store the database
+RUN mkdir /data
+ENV DATA_DIR /data
+
+# Drop privledges to non-root user
+RUN adduser --system --no-create-home --shell /usr/sbin/nologin $USER && \
+    chown -R $USER /data && \
+    chmod -R 770 /data
+USER $USER
+
+# Run the CLI when the container is started
 ENTRYPOINT [ "/sdserver" ]