Merge pull request nalbury#22 from nalbury/na-add-ce-cert-to-container

adding ca-certs pkg to dockerfile for prometheus hosts with tls

Author: nalbury

Dockerfile

@@ -10,15 +10,20 @@ RUN apt-get update && apt-get install -y make
 
 ADD ./ /promql-cli/
 ARG TARGETARCH
-RUN OS=linux ARCH=${TARGETARCH} INSTALL_PATH=/promql-cli/build/bin/ make install 
+RUN OS=linux ARCH=${TARGETARCH} INSTALL_PATH=/promql-cli/build/bin/ make install
 
 # TODO explore other base images here.
 # Requirements:
 # - small
 # - correct perms available for mounting and using a config file (config > cmdline flags), right now we just run as root... (see below)
-# I'm generally not a fan of alpine/busybox for a cmdline env but maybe minideb or similar? 
+# I'm generally not a fan of alpine/busybox for a cmdline env but maybe minideb or similar?
 # Stock deb slim is pretty rad already :)
-FROM debian:buster-slim AS promql-cli 
+FROM debian:buster-slim AS promql-cli
 COPY --from=build /promql-cli/build/bin/promql /bin/promql
+
+RUN apt-get update \
+  && apt-get install -y ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
+
 # TODO don't run as root...
 ENTRYPOINT [ "/bin/promql" ]