adding docker install

Dockerfile

@@ -1,3 +1,16 @@
 FROM debian:stable-slim
 RUN apt-get update \
-    && apt-get install nodejs -y
+    && apt-get install nodejs ca-certificates curl -y
+RUN install -m 0755 -d /etc/apt/keyrings
+RUN curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
+RUN chmod a+r /etc/apt/keyrings/docker.asc
+RUN tee /etc/apt/sources.list.d/docker.sources <<EOF
+Types: deb
+URIs: https://download.docker.com/linux/debian
+Suites: $(. /etc/os-release && echo "$VERSION_CODENAME")
+Components: stable
+Signed-By: /etc/apt/keyrings/docker.asc
+EOF
+
+RUN apt-get update -y
+RUN apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin