Adds postgis image on latest docker image

Author: gurkanindibay

002-create-postgis-extension.sql

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+BEGIN;
+CREATE EXTENSION postgis;
+CREATE EXTENSION postgis_topology;
+CREATE EXTENSION postgis_raster;
+CREATE EXTENSION postgis_sfcgal;
+CREATE EXTENSION fuzzystrmatch;
+CREATE EXTENSION postgis_tiger_geocoder;
+
+
+
+-- add Docker flag to node metadata
+COMMIT;

postgis/Dockerfile

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+# This file is auto generated from it's template,
+# see citusdata/tools/packaging_automation/templates/docker/latest/latest.tmpl.dockerfile.
+FROM postgres:14.7
+ARG VERSION=10.2.8
+ARG POSTGIS_VERSION=3
+LABEL maintainer="Citus Data https://citusdata.com" \
+      org.label-schema.name="Citus" \
+      org.label-schema.description="Scalable PostgreSQL for multi-tenant and real-time workloads" \
+      org.label-schema.url="https://www.citusdata.com" \
+      org.label-schema.vcs-url="https://github.com/citusdata/citus" \
+      org.label-schema.vendor="Citus Data, Inc." \
+      org.label-schema.version=${VERSION} \
+      org.label-schema.schema-version="1.0"
+
+ENV CITUS_VERSION ${VERSION}.citus-1
+
+# install Citus
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+       ca-certificates \
+       curl \
+    && curl -s https://install.citusdata.com/community/deb.sh | bash \
+    && apt-get install -y postgresql-$PG_MAJOR-citus-10.2=10.2.8.citus-1  \
+                          postgresql-$PG_MAJOR-hll=2.17.citus-1 \
+                          postgresql-$PG_MAJOR-topn=2.5.0.citus-1 \
+                          postgresql-$PG_MAJOR-postgis-${POSTGIS_VERSION} \
+    && apt-get purge -y --auto-remove curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# add citus to default PostgreSQL config
+RUN echo "shared_preload_libraries='citus'" >> /usr/share/postgresql/postgresql.conf.sample
+
+# add scripts to run after initdb
+COPY 001-create-citus-extension.sql /docker-entrypoint-initdb.d/
+COPY 002-create-postgis-extension.sql /docker-entrypoint-initdb.d/
+
+# add health check script
+COPY pg_healthcheck wait-for-manager.sh /
+RUN chmod +x /wait-for-manager.sh
+
+# entry point unsets PGPASSWORD, but we need it to connect to workers
+# https://github.com/docker-library/postgres/blob/33bccfcaddd0679f55ee1028c012d26cd196537d/12/docker-entrypoint.sh#L303
+RUN sed "/unset PGPASSWORD/d" -i /usr/local/bin/docker-entrypoint.sh
+
+HEALTHCHECK --interval=4s --start-period=6s CMD ./pg_healthcheck