docker/PLA/Dockerfile: Avoid waiting for user input during APT installs

Change-Id: I98d5abf877641c80de99ea93e2584c8908ed12b8
Signed-off-by: João Fonseca <jpedrofonseca@av.it.pt>

docker/PLA/Dockerfile

@@ -18,8 +18,8 @@ FROM ubuntu:18.04
 LABEL authors="Lars-Göran Magnusson"
 
 RUN apt-get --yes update \
- && apt-get --yes install git python python-pip python3 python3-pip libmysqlclient-dev libssl-dev libffi-dev \
- && apt-get --yes install mysql-client curl software-properties-common libgl1-mesa-glx \
+ &&DEBIAN_FRONTEND=noninteractive apt-get --yes install git python python-pip python3 python3-pip libmysqlclient-dev libssl-dev libffi-dev \
+ &&DEBIAN_FRONTEND=noninteractive apt-get --yes install mysql-client curl software-properties-common libgl1-mesa-glx \
  && python3 -m pip install -U pip \
  && python3 -m pip install pymzn==0.18.3
 
@@ -34,7 +34,7 @@ RUN add-apt-repository -y "deb ${REPOSITORY_BASE}/${RELEASE} ${REPOSITORY} PLA c
 ARG PLA_VERSION
 ARG COMMON_VERSION
 
-RUN apt-get --yes update  && apt-get -y install python3-osm-common${COMMON_VERSION} python3-osm-pla${PLA_VERSION}
+RUN apt-get --yes update  && DEBIAN_FRONTEND=noninteractive apt-get -y install python3-osm-common${COMMON_VERSION} python3-osm-pla${PLA_VERSION}
 
 COPY scripts/ scripts/