Add missing file

Dockerfile.git

@@ -0,0 +1,24 @@
+# Build using git repo
+
+FROM alpine:3.14
+
+WORKDIR /home/testssl
+
+ARG BUILD_VERSION
+ARG ARCHIVE_URL=https://github.com/drwetter/testssl.sh/archive/
+ARG URL=https://github.com/drwetter/testssl.sh.git
+
+RUN test -n "${BUILD_VERSION}" \
+    && apk update \
+    && apk add --no-cache bash procps drill git coreutils libidn curl socat openssl xxd \
+	&& git clone --depth 1 --branch ${BUILD_VERSION} $URL /home/testssl \
+    && addgroup testssl \
+    && adduser -G testssl -g "testssl user" -s /bin/bash -D testssl \
+    && ln -s /home/testssl/testssl.sh /usr/local/bin/ \
+    && mkdir -m 755 -p /home/testssl/etc /home/testssl/bin
+
+USER testssl
+
+ENTRYPOINT ["testssl.sh"]
+
+CMD ["--help"]