updated readme

git-sync-backup/Dockerfile

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+# Stage 1: Build stage
+FROM alpine:3.19 AS builder
+
+# Install build dependencies
+RUN apk add --no-cache     build-base     git     openssh-client     curl     bash
+
+# Install Rclone (statically compiled binary for Alpine)
+RUN curl -O https://downloads.rclone.org/rclone-current-linux-amd64.zip &&     unzip rclone-current-linux-amd64.zip &&     mv rclone-*-linux-amd64/rclone /usr/bin/ &&     rm -rf rclone-*-linux-amd64 rclone-current-linux-amd64.zip
+
+# Stage 2: Runtime stage
+FROM alpine:3.19
+
+# Install runtime dependencies
+RUN apk add --no-cache     git     openssh-client     bash     inotify-tools     ca-certificates
+
+# Copy Rclone from the builder stage
+COPY --from=builder /usr/bin/rclone /usr/bin/rclone
+
+# Set up SSH directory and permissions
+RUN mkdir -p /root/.ssh &&     chmod 700 /root/.ssh
+
+# Copy entrypoint script
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+# Set working directory
+WORKDIR /repos
+
+# Define volumes for configuration, secrets, and logs
+VOLUME /config/git-sync
+VOLUME /repos/local
+VOLUME /logs
+
+# Entrypoint
+ENTRYPOINT ["/entrypoint.sh"]
+CMD []