added entrypoint

Author: rileyfiretail

build_setup/Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:22.04 as ecapture_builder
 
 # Install Compilers
 RUN apt-get update &&\
-  apt-get install --yes git build-essential pkgconf libelf-dev llvm-14 clang-14 linux-tools-common linux-headers-generic make gcc flex bison file wget linux-source linux-libc-dev &&\
+  apt-get install --yes git build-essential pkgconf libelf-dev llvm-14 clang-14 linux-tools-common linux-generic linux-headers-generic make gcc flex bison file wget linux-source linux-libc-dev &&\
   # the for-shell built-in instruction does not count as a command 
   # and the shell used to execute the script is sh by default and not bash.
   rm -f /usr/bin/clang && ln -s /usr/bin/clang-14 /usr/bin/clang &&\
@@ -36,4 +36,8 @@ FROM alpine:latest as ecapture
 
 COPY --from=ecapture_builder /build/ecapture/bin/ecapture /ecapture
 
-ENTRYPOINT ["/ecapture", "tls", "--firetail_api_token=${FIRETAIL_API_TOKEN}", "--firetail_api_url=${FIRETAIL_API_URL}"]  # nosemgrep
+COPY ./build_setup/entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+CMD ["/bin/sh"]  # nosemgrep
+ENTRYPOINT ["/entrypoint.sh"]

build_setup/entrypoint.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+/ecapture tls --firetail_api_token=${FIRETAIL_API_TOKEN} --firetail_api_url=${FIRETAIL_API_URL}