[WIP] Add a custom docker image for GeoNetwork 4 + DCAT-AP plugin

.github/workflows/gn4-build.yml

@@ -0,0 +1,33 @@
+name: Artifacts
+run-name: 📦 Generate GN4 + DCAT-AP docker image
+
+on: push
+
+concurrency:
+  group: gn4-build-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-gn4-docker:
+    name: Build custom docker image for GeoNetwork 4
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ needs.checks.outputs.ref }} # use the PR head ref if applicable; otherwise keep default behaviour
+          persist-credentials: false
+          fetch-depth: 0
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+      - name: Build GN4 docker image
+        working-directory: support-services/gn4
+        run: docker build . -t geonetwork/geonetwork-dcat-ap:latest
+
+      - name: Push GN4 docker image
+        run: docker push geonetwork/geonetwork-dcat-ap:latest

support-services/docker-compose.yml

@@ -68,7 +68,8 @@ services:
       - '5601:5601'
 
   geonetwork:
-    image: geonetwork:${GEONETWORK_VERSION}
+#    image: geonetwork:${GEONETWORK_VERSION}
+    image: geonetwork/geonetwork-dcat-ap:latest
     environment:
       ES_HOST: elasticsearch
       ES_PROTOCOL: http

support-services/gn4/Dockerfile

@@ -0,0 +1,65 @@
+FROM alpine/git AS clone
+WORKDIR /app
+RUN git clone --recursive --depth=1 --shallow-submodules https://github.com/geonetwork/core-geonetwork.git
+RUN git clone --recursive --depth=1 --shallow-submodules https://github.com/metadata101/dcat-ap.git
+
+
+FROM maven:3.9-amazoncorretto-11 AS build
+
+WORKDIR /app
+COPY --from=clone /app/core-geonetwork /app
+COPY --from=clone /app/dcat-ap /app/schemas/dcat-ap
+
+# reference DCAT-AP plugin (see https://github.com/metadata101/dcat-ap)
+RUN sed -i "s#</modules>#<module>dcat-ap</module></modules>#" \
+    /app/schemas/pom.xml
+RUN sed -i 's#</dependencies>#<dependency><groupId>org.geonetwork-opensource.schemas</groupId><artifactId>gn-schema-dcat-ap</artifactId><version>${project.version}</version></dependency></dependencies>#' \
+    /app/web/pom.xml
+RUN sed -i 's#</artifactItems>#<artifactItem><groupId>org.geonetwork-opensource.schemas</groupId><artifactId>gn-schema-dcat-ap</artifactId><type>zip</type><overWrite>false</overWrite><outputDirectory>${schema-plugins.dir}</outputDirectory></artifactItem></artifactItems>#' \
+    /app/web/pom.xml
+
+RUN mvn install -DskipTests
+
+
+FROM jetty:9-jdk11
+
+ENV DATA_DIR /catalogue-data
+ENV WEBAPP_CONTEXT_PATH /geonetwork
+ENV GN_CONFIG_PROPERTIES -Dgeonetwork.dir=${DATA_DIR} \
+        -Dgeonetwork.formatter.dir=${DATA_DIR}/data/formatter \
+        -Dgeonetwork.schema.dir=/opt/geonetwork/WEB-INF/data/config/schema_plugins \
+        -Dgeonetwork.indexConfig.dir=/opt/geonetwork/WEB-INF/data/config/index
+
+ENV JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -Djava.awt.headless=true \
+        -Xms512M -Xss512M -Xmx2G -XX:+UseConcMarkSweepGC
+
+USER root
+RUN apt-get -y update && \
+    apt-get -y install --no-install-recommends \
+        unzip && \
+    rm -rf /var/lib/apt/lists/* && \
+    mkdir -p ${DATA_DIR} && \
+    chown -R jetty:jetty ${DATA_DIR} && \
+    mkdir -p /opt/geonetwork && \
+    chown -R jetty:jetty /opt/geonetwork
+
+USER jetty
+
+COPY --from=build /app/web/target/geonetwork.war /opt/geonetwork/
+
+RUN cd /opt/geonetwork/ && \
+     unzip -q geonetwork.war && \
+     rm geonetwork.war
+
+COPY thesauri/place/* /opt/geonetwork/WEB-INF/data/config/codelist/external/thesauri/place/
+COPY thesauri/theme/* /opt/geonetwork/WEB-INF/data/config/codelist/external/thesauri/theme/
+
+COPY jetty/geonetwork_context_template.xml /usr/local/share/geonetwork/geonetwork_context_template.xml
+COPY ./docker-entrypoint.sh /geonetwork-entrypoint.sh
+
+RUN java -jar /usr/local/jetty/start.jar --create-startd --add-module=http-forwarded
+
+ENTRYPOINT ["/geonetwork-entrypoint.sh"]
+CMD ["java","-jar","/usr/local/jetty/start.jar"]
+
+VOLUME [ "${DATA_DIR}" ]

support-services/gn4/docker-entrypoint.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+export JAVA_OPTIONS="${JAVA_OPTS} ${GN_CONFIG_PROPERTIES}"
+
+GN_BASE_DIR=/opt/geonetwork
+
+if ! command -v -- "$1" >/dev/null 2>&1 ; then
+	set -- java -jar "$JETTY_HOME/start.jar" "$@"
+fi
+
+if [[ "$1" = jetty.sh ]] || [[ $(expr "$*" : 'java .*/start\.jar.*$') != 0 ]]; then
+    # Customize context path
+    if [ ! -f "{$JETTY_BASE}/webapps/geonetwork.xml" ]; then
+        echo "Using $WEBAPP_CONTEXT_PATH for deploying the application"
+        cp /usr/local/share/geonetwork/geonetwork_context_template.xml "${JETTY_BASE}/webapps/geonetwork.xml"
+        sed -i "s#GEONETWORK_CONTEXT_PATH#${WEBAPP_CONTEXT_PATH}#" "${JETTY_BASE}/webapps/geonetwork.xml"
+    fi
+
+    # Delegate on base image entrypoint to start jetty
+    exec /docker-entrypoint.sh "$@"
+else
+    exec "$@"
+fi

support-services/gn4/jetty/geonetwork_context_template.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure_9_3.dtd">
+
+<Configure class="org.eclipse.jetty.webapp.WebAppContext">
+    <Set name="contextPath">GEONETWORK_CONTEXT_PATH</Set>
+    <Set name="war">/opt/geonetwork</Set>
+    <Get name="systemClasspathPattern">
+        <Call name="add"><Arg>-javax.mail.</Arg></Call>
+    </Get>
+    <Get name="serverClasspathPattern">
+        <Call name="add"><Arg>javax.mail.</Arg></Call>
+    </Get>
+    <Call name="setAttribute">
+        <Arg>org.eclipse.jetty.server.webapp.WebInfIncludeJarPattern</Arg>
+        <Arg>nomatches</Arg>
+    </Call>
+</Configure>