fix nomad and atom

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

atom/Dockerfile

@@ -29,12 +29,12 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update && apt-get install -y \
 	apt-transport-https \
 	ca-certificates \
-	curl \
 	gnupg \
+	wget \
 	--no-install-recommends
 
 # Add the atom debian repo
-RUN curl -sSL https://packagecloud.io/AtomEditor/atom/gpgkey | apt-key add -
+RUN wget -qO- https://packagecloud.io/AtomEditor/atom/gpgkey | apt-key add -
 RUN sh -c 'echo "deb [arch=amd64] https://packagecloud.io/AtomEditor/atom/any/ any main" > /etc/apt/sources.list.d/atom.list'
 
 # Install dependencies

nomad/Dockerfile

@@ -11,6 +11,7 @@ RUN	apk add --no-cache \
 	gcc \
 	git \
 	libgcc \
+	linux-headers \
 	make \
 	musl-dev \
 	npm \