ARG JQ_VERSION=1.6 RUN apt-get update && \ DEBIAN_FRONTEND=noninteractive apt-get install -y \ wget tar curl ca-certificates \ openssl bash git unzip build-essential gnupg COPY add-letsencrypt-ca.sh /root/add-letsencrypt-ca.sh RUN bash /root/add-letsencrypt-ca.sh \ && rm -f /root/add-letsencrypt-ca.sh # Install JQ RUN wget -O /usr/local/bin/jq https://github.com/stedolan/jq/releases/download/jq-${JQ_VERSION}/jq-linux64 \ && chmod +x /usr/local/bin/jq # Install Docker client RUN install -m 0755 -d /etc/apt/keyrings \ && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \ && chmod a+r /etc/apt/keyrings/docker.gpg \ && echo \ "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \ "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \ tee /etc/apt/sources.list.d/docker.list > /dev/null \ && apt-get update \ && apt-get install -y docker-ce-cli