initial commit

backupd/Dockerfile

@@ -0,0 +1,17 @@
+FROM debian:bookworm-slim
+
+RUN apt-get update \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+    xorriso tar zstd sqlite3 ca-certificates curl \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN curl -fsSL https://github.com/aptible/supercronic/releases/download/v0.2.29/supercronic-linux-amd64 \
+    -o /usr/local/bin/supercronic \
+  && chmod +x /usr/local/bin/supercronic
+
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+COPY backup.sh /usr/local/bin/backup.sh
+
+RUN chmod +x /usr/local/bin/entrypoint.sh /usr/local/bin/backup.sh
+
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]