migrate db back to postgres:14 and manually add wal-g automated incremental backups

i-form-data-repository/docker/postgres/Dockerfile

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+FROM postgres:14.13
+
+RUN apt-get update && apt-get install -y curl cron && rm -rf /var/lib/apt/lists/*
+
+RUN curl -L "https://github.com/wal-g/wal-g/releases/download/v3.0.8/wal-g-pg-ubuntu-20.04-amd64.tar.gz" | tar -xz && \
+    mv wal-g-pg-ubuntu-20.04-amd64 /usr/local/bin/wal-g && \
+    chmod +x /usr/local/bin/wal-g
+
+COPY setup-walg.sh /docker-entrypoint-initdb.d/
+COPY entrypoint-wrapper.sh /usr/local/bin/
+COPY walg-cron /etc/cron.d/walg-cron
+
+RUN chmod +x /usr/local/bin/entrypoint-wrapper.sh && \
+    chmod +x /docker-entrypoint-initdb.d/setup-walg.sh && \
+    chmod 0644 /etc/cron.d/walg-cron && \
+    crontab /etc/cron.d/walg-cron
+
+ENTRYPOINT ["entrypoint-wrapper.sh"]
+CMD ["postgres"]

i-form-data-repository/docker/postgres/entrypoint-wrapper.sh

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+#!/bin/bash
+set -e
+
+# Start the cron service in the background
+service cron start
+
+# Pass execution back to the official postgres entrypoint
+exec /usr/local/bin/docker-entrypoint.sh "$@"

i-form-data-repository/docker/postgres/setup-walg.sh

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+#!/bin/bash
+set -e
+
+# Configure postgres to archive WAL logs via wal-g
+echo "archive_mode = on" >> "$PGDATA/postgresql.conf"
+echo "archive_command = 'wal-g wal-push %p'" >> "$PGDATA/postgresql.conf"
+echo "archive_timeout = 60" >> "$PGDATA/postgresql.conf"

i-form-data-repository/docker/postgres/walg-cron

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+0 2 * * * postgres /usr/local/bin/wal-g backup-push /var/lib/postgresql/data > /proc/1/fd/1 2>&1