Add support for arm64 (#8)

* Target multi-platform

* Start from mysql/mysql-server image

* Download aws-cli binary instead of pip

.github/workflows/build.yaml

@@ -12,6 +12,9 @@ jobs:
     steps:
       # don't need to use the actions/checkout when using setup-buildx-action
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
@@ -31,6 +34,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           cache-from: ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.repository_owner == 'femiwiki' }}
           tags: |
             ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.version }}

Dockerfile

@@ -1,7 +1,8 @@
 #
 # Build
 #
-FROM mysql:8
+FROM --platform=$TARGETPLATFORM mysql/mysql-server:8.0.23
+ARG TARGETPLATFORM
 
 WORKDIR /a
 
@@ -12,26 +13,27 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 # Add Tini
 # See https://github.com/krallin/tini for the further details
 ENV TINI_VERSION v0.18.0
-ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
+RUN PLATFORM="$(echo $TARGETPLATFORM | cut -d/ -f2)" &&\
+    curl -sLfo /tini "https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-${PLATFORM}"
 RUN chmod +x /tini
 ENTRYPOINT ["/tini", "--"]
 
 # Install cron
-RUN apt-get update && apt-get -y install cron
+RUN yum install -y cronie
 
 # Register a cronjob
 COPY crontab .
 RUN crontab crontab && rm crontab
 
 # Install php
-RUN apt-get update && apt-get install -y php-cli
-
-# Install python
-RUN apt-get update && apt-get install -y python3-pip
+RUN yum install -y php-cli
 
 # Install AWS CLI
-RUN python3 -m pip install --upgrade pip &&\
-    python3 -m pip install awscli
+RUN yum install -y unzip
+RUN curl -sLfo awscli.zip "https://awscli.amazonaws.com/awscli-exe-linux-$(uname -p).zip" &&\
+    unzip awscli.zip &&\
+    ./aws/install &&\
+    rm -rf awscli ./aws
 
 # Copy scripts
 COPY do-backup docker-cmd /usr/local/bin/

docker-cmd

@@ -18,5 +18,5 @@ single-transaction
 EOF
 
 touch /tmp/log
-cron
+crond
 tail -f /tmp/log