Add Dockerfile

Dockerfile

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+# Dockerfile
+FROM ubuntu:22.04
+
+RUN apt-get update && apt-get install -y \
+    curl \
+    gnupg \
+    ca-certificates \
+    lsb-release \
+ && mkdir -m 0755 -p /etc/apt/keyrings \
+ && curl -fsSL https://download.docker.com/linux/
+
+RUN apt-get update
+RUN apt-get install ca-certificates curl
+RUN install -m 0755 -d /etc/apt/keyrings
+RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+RUN chmod a+r /etc/apt/keyrings/docker.asc
+
+# Add the repository to Apt sources:
+RUN echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+  $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
+  tee /etc/apt/sources.list.d/docker.list > /dev/null
+RUN apt-get update
+RUN apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin