feat: add backup files - tmp - wip

issue #1268

backup/Dockerfile

@@ -0,0 +1,14 @@
+FROM postgis/postgis:15-master
+
+# Enable pgcrypto extension on startup
+RUN sed -i '/EXISTS postgis_tiger_geocoder;*/a CREATE EXTENSION IF NOT EXISTS pgcrypto;' \
+        /docker-entrypoint-initdb.d/10_postgis.sh
+
+WORKDIR /app
+COPY pg-simple-backup.sh .
+
+RUN mkdir /mnt/bkp
+
+# User, port and Healthcheck
+#USER postgres
+ENTRYPOINT [ "/app/pg-simple-backup.sh", "$${POSTGRES_USER}", "$${POSTGRES_DB}", "15432" ]

backup/help.txt

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+docker build -t backup .
+
+docker run -it \
+  --network=host \
+ -v .:/mnt/bkp \
+ backup

backup/pg-simple-backup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+
+##
+# DB access
+##
+DB_USER="nr-spar"
+DB_NAME="nr-spar"
+DB_PORT="15432"
+echo "User=$DB_USER"
+echo "DB=$DB_NAME"
+echo "Port=$DB_PORT"
+
+##
+# File name
+##
+FILENAME_PREFIX="spar_pg_bkp"
+
+# %F -> 2024-08-12
+# %T -> 16:44:58
+# Here for more: https://www.man7.org/linux/man-pages/man1/date.1.html
+FILENAME_SUFIX=$(date +"%F_%T")
+FILENAME=$FILENAME_PREFIX"_"$FILENAME_SUFIX
+echo "Filename=$FILENAME"
+
+# -F specifies that the output should be in tar format
+PG_DUMP="pg_dump"
+COMM="$PG_DUMP -U \"$DB_USER\" -W -F t \"$DB_NAME\" > /mnt/bkp/$FILENAME.tar"
+echo "Command=$COMM"
+
+pg_dump -h localhost -p $DB_PORT -U "$DB_USER" -W -F t "$DB_NAME" > /mnt/bkp/$FILENAME.tar