feat: add deployment health and backups

scripts/backup-postgres.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+set -eu
+
+: "${BACKUP_DIR:?Set BACKUP_DIR to the destination directory}"
+: "${POSTGRES_DB:?Set POSTGRES_DB}"
+: "${POSTGRES_USER:?Set POSTGRES_USER}"
+: "${POSTGRES_PASSWORD:?Set POSTGRES_PASSWORD}"
+
+timestamp=$(date -u '+%Y%m%dT%H%M%SZ')
+mkdir -p "$BACKUP_DIR"
+output_path="$BACKUP_DIR/${POSTGRES_DB}-${timestamp}.dump"
+
+docker compose -f compose.production.yaml exec -T \
+  -e PGPASSWORD="$POSTGRES_PASSWORD" postgres \
+  pg_dump -U "$POSTGRES_USER" -Fc "$POSTGRES_DB" > "$output_path"
+
+printf '%s\n' "$output_path"