Fixed Typo

Dockerfile

@@ -16,7 +16,7 @@ RUN curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /
 RUN echo \
       "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
       "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
-      tee /etc/apt/sources.list.d/docker.list > /dev/null \
+      tee /etc/apt/sources.list.d/docker.list > /dev/null
 
 RUN apt-get update
 RUN apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin