add vscode container Dockerfile

freebsd/etc/containers/vscode/Dockerfile

@@ -0,0 +1,16 @@
+FROM ubuntu:latest
+
+# fix for error "E: Dynamic MMap ran out of room. Please increase the size of APT::Cache-Start. Current value: 25165824. (man 5 apt.conf)"
+RUN echo 'APT::Cache-Start "100000000";' >> /etc/apt/apt.conf.d/70debconf
+
+RUN apt update && \
+    apt install curl git -y && \
+    apt clean all && \
+    curl -sL "https://code.visualstudio.com/sha/download?build=stable&os=cli-alpine-x64" --output /tmp/vscode-cli.tar.gz && \
+    tar -xf /tmp/vscode-cli.tar.gz -C /usr/bin && \
+    rm /tmp/vscode-cli.tar.gz && \
+    mkdir /src
+
+VOLUME /src
+
+CMD [ "code", "tunnel", "--accept-server-license-terms", "--no-sleep" ]