lint

Author: mkuratczyk

packaging/docker-image/Dockerfile

@@ -2,7 +2,7 @@ ARG OTP_VERSION="27"
 
 FROM erlang:${OTP_VERSION}
 
-ENV RABBITMQ_DATA_DIR /var/lib/rabbitmq
+ENV RABBITMQ_DATA_DIR=/var/lib/rabbitmq
 
 RUN set -eux; \
 # Create rabbitmq system user & group, fix permissions & allow root user to connect to the RabbitMQ Erlang VM
@@ -15,11 +15,11 @@ RUN set -eux; \
 
 # Use the latest stable RabbitMQ release (https://www.rabbitmq.com/download.html)
 ARG RABBITMQ_VERSION=4.0.0
-ENV RABBITMQ_VERSION ${RABBITMQ_VERSION}
-ENV RABBITMQ_HOME /opt/rabbitmq
+ENV RABBITMQ_VERSION=${RABBITMQ_VERSION}
+ENV RABBITMQ_HOME=/opt/rabbitmq
 
 # Add RabbitMQ to PATH
-ENV PATH $RABBITMQ_HOME/sbin:$PATH
+ENV PATH=$RABBITMQ_HOME/sbin:$PATH
 
 COPY package-generic-unix.tar.xz /usr/local/src/rabbitmq-$RABBITMQ_VERSION.tar.xz
 
@@ -51,15 +51,15 @@ RUN set -eux; \
 	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false;
 
 # set home so that any `--user` knows where to put the erlang cookie
-ENV HOME $RABBITMQ_DATA_DIR
+ENV HOME=$RABBITMQ_DATA_DIR
 # Hint that the data (a.k.a. home dir) dir should be separate volume
 VOLUME $RABBITMQ_DATA_DIR
 
 # warning: the VM is running with native name encoding of latin1 which may cause Elixir to malfunction as it expects utf8. Please ensure your locale is set to UTF-8 (which can be verified by running "locale" in your shell)
 # Setting all environment variables that control language preferences, behaviour differs - https://www.gnu.org/software/gettext/manual/html_node/The-LANGUAGE-variable.html#The-LANGUAGE-variable
 # https://docs.docker.com/samples/library/ubuntu/#locales
-ENV LANG C.UTF-8
-ENV LANGUAGE C.UTF-8
+ENV LANG=C.UTF-8
+ENV LANGUAGE=C.UTF-8
 ENV LC_ALL=C.UTF-8
 
 COPY --chown=rabbitmq:rabbitmq 10-defaults.conf 20-management_agent.disable_metrics_collector.conf /etc/rabbitmq/conf.d/