Create an image for db backups

Author: ajayyy

.github/workflows/sb-server.yml

@@ -20,6 +20,14 @@ jobs:
     with:
       name: "rsync-host"
       username: "ajayyy"
-      folder: "./rsync"
+      folder: "./containers/rsync"
+    secrets:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  backup-db:
+    uses: ./.github/workflows/docker-build.yml
+    with:
+      name: "db-backup"
+      username: "ajayyy"
+      folder: "./containers/backup-db"
     secrets:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

containers/backup-db/Dockerfile

@@ -0,0 +1,13 @@
+FROM alpine
+RUN apk add postgresql-client
+RUN apk add restic --repository http://dl-cdn.alpinelinux.org/alpine/latest-stable/community/
+
+COPY ./backup.sh /usr/src/app/backup.sh
+RUN chmod +x /usr/src/app/backup.sh
+COPY ./backup.sh /usr/src/app/forget.sh
+RUN chmod +x /usr/src/app/forget.sh
+
+RUN echo '30  *  *  *  *    /usr/src/app/backup.sh' >> /etc/crontabs/root
+RUN echo '10  0  *  *  1    /usr/src/app/forget.sh' >> /etc/crontabs/root
+
+CMD crond -l 2 -f

containers/backup-db/backup.sh

@@ -0,0 +1,6 @@
+mkdir ./dump
+
+pg_dump -f ./dump/sponsorTimes.dump sponsorTimes
+pg_dump -f ./dump/privateDB.dump privateDB
+
+restic backup ./dump

containers/backup-db/forget.sh

@@ -0,0 +1 @@
+restic forget --prune --keep-last 48 --keep-daily 7 --keep-weekly 8