Use one image for all databases

.dir-locals.el

@@ -1,4 +0,0 @@
-;;; Directory Local Variables
-;;; For more information see (info "(emacs) Directory Variables")
-
-((sh-mode . ((sh-basic-offset . 2))))

.github/workflows/build-and-push-images.yml

@@ -9,19 +9,10 @@ jobs:
   build-and-push-image:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        include:
-          - { db: mysql, alpine: 3.18 }
-          - { db: postgres, alpine: 3.18 }
+    env:
+      ALPINE_VERSION: 3.18
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
@@ -35,12 +26,7 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v4
         with:
-          context: .
           push: true
-          tags: db-backup-s3/${{ matrix.db }}-backup:alpine-${{ matrix.alpine }}
+          tags: reg.dev.krd/db-backup-s3/db-backup-s3:alpine-${{ env.ALPINE_VERSION }}
           build-args: |
-            ALPINE_VERSION=${{ matrix.alpine }}
-            DATABASE_SERVER=${{ matrix.db }}
-          platforms: |
-            linux/amd64
-            linux/arm64
+            ALPINE_VERSION=${{ env.ALPINE_VERSION }}

Dockerfile

@@ -4,22 +4,18 @@ ARG ALPINE_VERSION=3.18
 
 FROM curlimages/curl AS go-cron-downloader
 ARG GOCRON_VERSION=0.0.5
-ARG TARGETARCH=amd64
 
-RUN curl -sL https://github.com/ivoronin/go-cron/releases/download/v${GOCRON_VERSION}/go-cron_${GOCRON_VERSION}_linux_${TARGETARCH}.tar.gz -O
-RUN tar xvf go-cron_${GOCRON_VERSION}_linux_${TARGETARCH}.tar.gz
+RUN curl -sL https://github.com/ivoronin/go-cron/releases/download/v${GOCRON_VERSION}/go-cron_${GOCRON_VERSION}_linux_amd64.tar.gz -O
+RUN tar xvf go-cron_${GOCRON_VERSION}_linux_amd64.tar.gz
 
 FROM alpine:${ALPINE_VERSION}
-ARG TARGETARCH=amd64
-ARG DATABASE_SERVER=postgres
 
 RUN apk update && \
     apk add --no-cache \
     gnupg \
-    aws-cli
-
-RUN if [[ "${DATABASE_SERVER}" == "mysql" ]]; then apk add --no-cache mysql-client mariadb-connector-c; fi
-RUN if [[ "${DATABASE_SERVER}" == "postgres" ]]; then apk add --no-cache postgresql-client ; fi
+    aws-cli \
+    postgresql-client \
+    mysql-client mariadb-connector-c
 
 RUN rm -rf /var/cache/apk/*
 
@@ -29,6 +25,7 @@ ENV DATABASE_NAME ''
 ENV DATABASE_HOST ''
 ENV DATABASE_PORT ''
 ENV DATABASE_USER ''
+ENV DATABASE_SERVER ''
 ENV DATABASE_PASSWORD ''
 ENV PGDUMP_EXTRA_OPTS ''
 ENV MYSQLDUMP_EXTRA_OPTS ''
@@ -42,7 +39,6 @@ ENV S3_S3V4 'no'
 ENV SCHEDULE ''
 ENV PASSPHRASE ''
 ENV BACKUP_KEEP_DAYS ''
-ENV DATABASE_SERVER=${DATABASE_SERVER}
 
 ADD src/run.sh run.sh
 ADD src/env.sh env.sh

README.md

@@ -12,7 +12,7 @@ services:
       DATABASE_PASSWORD: password
 
   backup:
-    image: reg.dev.krd/db-backup-s3/postgres-backup:alpine-3.18
+    image: reg.dev.krd/db-backup-s3/db-backup-s3:alpine-3.18
     environment:
       SCHEDULE: '@weekly'     # optional
       BACKUP_KEEP_DAYS: 7     # optional
@@ -26,6 +26,7 @@ services:
       DATABASE_NAME: dbname
       DATABASE_USER: user
       DATABASE_PASSWORD: password
+      DATABASE_SERVER: postgres
 ```
 
 - Images are tagged by the major PostgreSQL version supported: `11`, `12`, `13`, `14`, or `15`.

docker-compose.yaml

@@ -31,7 +31,6 @@ services:
       context: .
       args:
         ALPINE_VERSION: '3.18'
-        DATABASE_SERVER: postgres
     environment:
 #      SCHEDULE: '@weekly'     # optional
       BACKUP_KEEP_DAYS: 7     # optional
@@ -46,6 +45,7 @@ services:
       DATABASE_NAME: user
       DATABASE_USER: user
       DATABASE_PORT: 5432
+      DATABASE_SERVER: postgres
       DATABASE_PASSWORD: password
 
   backup-mysql:
@@ -53,7 +53,6 @@ services:
       context: .
       args:
         ALPINE_VERSION: '3.18'
-        DATABASE_SERVER: mysql
     environment:
 #      SCHEDULE: '@weekly'     # optional
       BACKUP_KEEP_DAYS: 7     # optional
@@ -68,4 +67,5 @@ services:
       DATABASE_NAME: database
       DATABASE_USER: root
       DATABASE_PORT: 3306
+      DATABASE_SERVER: mysql
       DATABASE_PASSWORD: root_password

src/env.sh

@@ -3,6 +3,11 @@ if [ -z "$S3_BUCKET" ]; then
   exit 1
 fi
 
+if [ -z "$DATABASE_SERVER" ]; then
+  echo "You need to set the DATABASE_SERVER environment variable. (postgres, mysql)"
+  exit 1
+fi
+
 if [ -z "$DATABASE_NAME" ]; then
   echo "You need to set the DATABASE_NAME environment variable."
   exit 1