Dockerfile

# Set the base image
FROM alpine:3.15.0

# Install required packages
RUN apk -v --update add \
    python3 \
    py-pip \
    groff \
    less \
    mailcap \
    mysql-client \
    curl \
    py-crcmod \
    bash \
    libc6-compat \
    gnupg \
    coreutils \
    gzip \
    go \
    git && \
    pip3 install --upgrade awscli s3cmd python-magic && \
    rm /var/cache/apk/*

# Set Default Environment Variables
ENV BACKUP_CREATE_DATABASE_STATEMENT=false
ENV TARGET_DATABASE_PORT=3306
ENV SLACK_ENABLED=false
ENV SLACK_USERNAME=kubernetes-s3-mysql-backup
ENV CLOUD_SDK_VERSION=367.0.0
# Release commit for https://github.com/FiloSottile/age/tree/v1.0.0
ENV AGE_VERSION=552aa0a07de0b42c16126d3107bd8895184a69e7
ENV BACKUP_PROVIDER=aws

# Install FiloSottile/age (https://github.com/FiloSottile/age)
RUN git clone https://filippo.io/age && \
    cd age && \
    git checkout $AGE_VERSION && \
    go build -o . filippo.io/age/cmd/... && cp age /usr/local/bin/

# Set Google Cloud SDK Path
ENV PATH /google-cloud-sdk/bin:$PATH

# Install Google Cloud SDK
RUN curl -O https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${CLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
    tar xzf google-cloud-sdk-${CLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
    rm google-cloud-sdk-${CLOUD_SDK_VERSION}-linux-x86_64.tar.gz && \
    gcloud config set core/disable_usage_reporting true && \
    gcloud config set component_manager/disable_update_check true && \
    gcloud config set metrics/environment github_docker_image && \
    gcloud --version

# Copy Slack Alert script and make executable
COPY resources/slack-alert.sh /
RUN chmod +x /slack-alert.sh

# Copy backup script and execute
COPY resources/perform-backup.sh /
RUN chmod +x /perform-backup.sh
CMD ["sh", "/perform-backup.sh"]