lcs128: reverted postgres as a gitlab ci service

.gitlab-ci.yml

@@ -445,7 +445,6 @@ unit_test_SCU:
   interruptible: true
   services:
     - rabbitmq:latest
-    - postgres:11.7
   variables:
     RABBITMQ_DEFAULT_USER: guest
     RABBITMQ_DEFAULT_PASS: guest
@@ -545,7 +544,6 @@ integration_test_SCU:
   image: ${REGISTRY_PATH}/ci_scu:$CI_COMMIT_SHORT_SHA
   services:
     - rabbitmq:latest
-    - postgres:11.7
   rules:
   - if: '$CI_COMMIT_BRANCH !~ /Front-End-Only/'
   variables:
@@ -580,7 +578,6 @@ integration_test_LTAIngest:
   interruptible: true
   services:
     - rabbitmq:latest
-    - postgres:11.7
   variables:
     RABBITMQ_DEFAULT_USER: guest
     RABBITMQ_DEFAULT_PASS: guest
@@ -600,7 +597,6 @@ unit_and_integration_and_regression_test_TMSS:
   image: ${REGISTRY_PATH}/ci_tmss:$CI_COMMIT_SHORT_SHA
   services:
     - rabbitmq:latest
-    - postgres:11.7
   variables:
     RABBITMQ_DEFAULT_USER: guest
     RABBITMQ_DEFAULT_PASS: guest
@@ -650,7 +646,6 @@ regression_test_SCU:
   - if: '$CI_COMMIT_BRANCH !~ /Front-End-Only/'
   services:
     - rabbitmq:latest
-    - postgres:11.7
   variables:
     RABBITMQ_DEFAULT_USER: guest
     RABBITMQ_DEFAULT_PASS: guest

Docker/lofar-ci/Dockerfile_ci_scu

@@ -9,6 +9,13 @@ FROM ci_base:$BASE_VERSION
 RUN echo "Installing packages for SAS..." && \
     yum install -y log4cplus log4cplus-devel python3 python3-libs python3-devel boost readline-devel boost-devel binutils-devel boost-python36 boost-python36-devel gettext which openldap-devel git java-11-openjdk python-twisted-core graphviz libaio
     
+# see https://www.postgresql.org/download/linux/redhat/ on how to install postgresql-server >= 11 on centos7
+RUN yum erase -y postgresql postgresql-server postgresql-devel && \
+    yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm && \
+    yum install -y postgresql12-server
+ENV PATH /usr/pgsql-12/bin:$PATH
+ENV LD_LIBRARY_PATH /usr/pgsql-12/lib:$LD_LIBRARY_PATH
+
 # Oracle decided in all its wisdom to not make use of rpm/deb
 # So, we're forced to download the Oracle client packages, and configure the paths
 RUN mkdir -p /opt/oracle && \