chore(docker): use new ENV syntax in place of deprecated one

Signed-off-by: Leonardo Di Giovanna <[email protected]>

Author: ekoops

docker/driver-loader-buster/Dockerfile

@@ -20,8 +20,8 @@ ARG VERSION_BUCKET=deb
 ENV VERSION_BUCKET=${VERSION_BUCKET}
 
 ENV FALCO_VERSION=${FALCO_VERSION}
-ENV HOST_ROOT /host
-ENV HOME /root
+ENV HOST_ROOT=/host
+ENV HOME=/root
 
 RUN cp /etc/skel/.bashrc /root && cp /etc/skel/.profile /root
 

docker/driver-loader/Dockerfile

@@ -15,8 +15,8 @@ LABEL org.opencontainers.image.authors='The Falco Authors https://falco.org' \
 
 LABEL usage="docker run -i -t --privileged -v /root/.falco:/root/.falco -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc:ro falcosecurity/falco-driver-loader:latest [driver] [options]"
 
-ENV HOST_ROOT /host
-ENV HOME /root
+ENV HOST_ROOT=/host
+ENV HOME=/root
 
 RUN cp /etc/skel/.bashrc /root && cp /etc/skel/.profile /root
 

docker/falco-debian/Dockerfile

@@ -19,8 +19,8 @@ ARG VERSION_BUCKET=deb
 ENV FALCO_VERSION=${FALCO_VERSION}
 ENV VERSION_BUCKET=${VERSION_BUCKET}
 
-ENV HOST_ROOT /host
-ENV HOME /root
+ENV HOST_ROOT=/host
+ENV HOME=/root
 
 RUN apt-get -y update && apt-get -y install ca-certificates curl jq ca-certificates gnupg2 \
 	&& apt clean -y && rm -rf /var/lib/apt/lists/*

docker/falco/Dockerfile

@@ -19,8 +19,8 @@ ARG VERSION_BUCKET=bin
 
 ENV FALCO_VERSION=${FALCO_VERSION}
 ENV VERSION_BUCKET=${VERSION_BUCKET}
-ENV HOST_ROOT /host
-ENV HOME /root
+ENV HOST_ROOT=/host
+ENV HOME=/root
 
 RUN apk update && apk add curl ca-certificates jq libstdc++