Initial docker commit

.github/workflows/docker-build.yml

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+name: Docker build
+
+# Configures this workflow to run every time a change is pushed to the branch called `release`.
+on:
+  push:
+    tags:
+      - '*'
+
+# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      # Uses the `docker/login-action` action to log in to the Container registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=match,pattern=(\d+)-.*,group=1
+            type=match,pattern=(\d+-\d+\.\d+).*,group=1
+            type=sha
+      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
+      # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
+      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.gitignore

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+.idea
+*.iml
+

Dockerfile

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+ARG FROM_TAG=15-3.4
+FROM postgis/postgis:${FROM_TAG}
+
+# install pg_cron
+RUN echo | sh /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh && \
+    apt-get -y install postgresql-15-cron && \
+    echo "\nshared_preload_libraries='pg_cron,pg_stat_statements'\n" >> /usr/share/postgresql/postgresql.conf.sample
+
+# configure pg_cron
+COPY initdb.sh /docker-entrypoint-initdb.d/initdb.sh

README.md

@@ -1 +1,7 @@
-# postgis-cron
+# postgis-cron
+
+This docker extends the official [PostGIS](https://hub.docker.com/r/postgis/postgis/) docker with the
+[pg_cron](https://github.com/citusdata/pg_cron) extension.
+
+The main goal is to allow easy testing of the GeoMesa
+[Partitioned PostGIS DataStore](https://www.geomesa.org/documentation/stable/user/postgis/index.html).

initdb.sh

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+#!/bin/sh
+
+set -e
+
+# Perform all actions as $POSTGRES_USER
+export PGUSER="$POSTGRES_USER"
+
+# Create the extension
+echo "Loading pg_cron extensions into $POSTGRES_DB"
+"${psql[@]}" --dbname="$POSTGRES_DB" <<- EOSQL
+  ALTER SYSTEM SET shared_preload_libraries = pg_cron,pg_stat_statements;
+  ALTER SYSTEM SET cron.database_name = $POSTGRES_DB;
+  CREATE EXTENSION IF NOT EXISTS pg_cron;
+  create extension if not exists pg_stat_statements;
+EOSQL
+
+# in postgres 12 JIT was changed from default off to default on
+# disable JIT optimizations, as they can cause extreme slowness with postgis queries above a certain size
+echo "Configuring postgis defaults"
+"${psql[@]}" --dbname="$POSTGRES_DB" <<- EOSQL
+  ALTER SYSTEM SET jit_optimize_above_cost = '-1';
+EOSQL