try

Author: naisila

circleci/images/exttester/Dockerfile

@@ -173,6 +173,25 @@ apt-get install -y --no-install-recommends --allow-downgrades \
 rm -rf /var/lib/apt/lists/*
 EOF
 
+RUN <<'EOF'
+apt purge -y \
+    libpq5 \
+
+apt-get install -y --no-install-recommends --allow-downgrades \
+    libdbi-perl \
+    libdbd-pg-perl \
+    libpq-dev=${pgdg_version} \
+    libpq5=${pgdg_version} \
+    postgresql-${PG_MAJOR}=${pgdg_version} \
+    postgresql-client-${PG_MAJOR}=${pgdg_version} \
+    postgresql-${PG_MAJOR}-dbgsym=${pgdg_version} \
+    postgresql-server-dev-${PG_MAJOR}=${pgdg_version} \
+    postgresql-${PG_MAJOR}-wal2json \
+
+    # clear apt cache
+rm -rf /var/lib/apt/lists/*
+EOF
+
 # add postgress to the path
 ENV PATH=/usr/lib/postgresql/$PG_MAJOR/bin/:$PATH