feat: add postgresql-client

Dockerfile

@@ -1,7 +1,7 @@
 FROM kopia/kopia 
 
 ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get update && apt-get install -y cron && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y cron postgresql-client && rm -rf /var/lib/apt/lists/*
 
 ARG KOPIA_CRON_SCHEDULE
 ENV KOPIA_CRON_SCHEDULE ${KOPIA_CRON_SCHEDULE}

run-backup.sh

@@ -1,4 +1,9 @@
-#!/bin/sh 
+#!/bin/bash
+
+if [[ -v KOPIA_PG_DATABASE ]];
+then
+    PGPASSWORD=$KOPIA_PG_PASSWORD pg_dump --host=$KOPIA_PG_HOST --username=$KOPIA_PG_USER $KOPIA_PG_DATABASE > /backup/database/$KOPIA_PG_DATABASE.sqldump || exit 1
+fi
 
 kopia repository connect filesystem \
     --path /repository \