diff --git a/docker/PLA/Dockerfile b/docker/PLA/Dockerfile
index 8c2f97f..f3c3eb1 100644
--- a/docker/PLA/Dockerfile
+++ b/docker/PLA/Dockerfile
@@ -13,40 +13,51 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM ubuntu:18.04
+FROM ubuntu:18.04 as INSTALL
 
-LABEL authors="Lars-Göran Magnusson"
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
+    DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+    gcc=4:7.4.0-1ubuntu2.3 \
+    python3=3.6.7-1~18.04 \
+    python3-dev=3.6.7-1~18.04 \
+    python3-setuptools=39.0.1-2 \
+    curl=7.58.0-2ubuntu3.13 && \
+    python3 -m easy_install pip==21.0.1
 
-RUN apt-get --yes update \
- &&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
+ARG PYTHON3_OSM_COMMON_URL
+ARG PYTHON3_OSM_PLA_URL
 
-ARG REPOSITORY_BASE=http://osm-download.etsi.org/repository/osm/debian
-ARG RELEASE=ReleaseNINE-daily
-ARG REPOSITORY_KEY=OSM%20ETSI%20Release%20Key.gpg
-ARG REPOSITORY=testing
+RUN curl $PYTHON3_OSM_COMMON_URL -o osm_common.deb
+RUN dpkg -i ./osm_common.deb
 
-RUN curl ${REPOSITORY_BASE}/${RELEASE}/${REPOSITORY_KEY} | apt-key add -
-RUN add-apt-repository -y "deb ${REPOSITORY_BASE}/${RELEASE} ${REPOSITORY} PLA common" && apt update
+RUN curl $PYTHON3_OSM_PLA_URL -o osm_pla.deb
+RUN dpkg -i ./osm_pla.deb
 
-ARG PLA_VERSION
-ARG COMMON_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/
+RUN pip3 install \
+    -r /usr/lib/python3/dist-packages/osm_common/requirements.txt \
+    -r /usr/lib/python3/dist-packages/osm_pla/requirements.txt
 
 ADD https://github.com/MiniZinc/MiniZincIDE/releases/download/2.4.2/MiniZincIDE-2.4.2-bundle-linux-x86_64.tgz /minizinc.tgz
 
 RUN tar -zxf /minizinc.tgz && \
     mv /MiniZincIDE-2.4.2-bundle-linux /minizinc
 
+FROM ubuntu:18.04
+LABEL authors="Lars-Göran Magnusson"
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
+    DEBIAN_FRONTEND=noninteractive apt-get --yes install python3-minimal=3.6.7-1~18.04
+
+COPY --from=INSTALL /usr/lib/python3/dist-packages /usr/lib/python3/dist-packages
+COPY --from=INSTALL /usr/local/lib/python3.6/dist-packages  /usr/local/lib/python3.6/dist-packages
+COPY --from=INSTALL /usr/bin/osm* /usr/bin/
+COPY --from=INSTALL /minizinc /minizinc
+
 RUN mkdir /entry_data \
     && mkdir /entry_data/mzn-lib \
     && ln -s /entry_data/mzn-lib /minizinc/share/minizinc/exec
 
+COPY scripts/ scripts/
 RUN mkdir /placement
 
 ENV OSMPLA_MESSAGE_DRIVER kafka