add dockerfile to build snap-egine plus microwave-toolbox

Author: adrian-knauer

kpler-docker/Dockerfile

@@ -0,0 +1,70 @@
+# Start with a base image that includes Maven and Java 21
+FROM maven:3.9.6-eclipse-temurin-21
+
+# Prevent interactive prompts during package installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install additional necessary packages
+RUN apt-get update && apt-get install -y \
+    libxrender1 \
+    libxtst6 \
+    libxi6 \
+    libgl1-mesa-glx \
+    libgtk2.0-0 \
+    libdbus-glib-1-2 \
+    libhdf5-dev \
+    libjhdf5-java \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set environment variables for Java to find libjhdf5.so
+ENV LD_LIBRARY_PATH=/usr/lib/jni:$LD_LIBRARY_PATH
+ENV JAVA_LIBRARY_PATH=/usr/lib/jni
+
+# Create directory for SNAP source code
+WORKDIR /opt/snap-src
+
+# 1) clone snap-engine only
+RUN git clone https://github.com/senbox-org/snap-engine.git
+
+# 2) copy **this repo’s** microwave-toolbox source in place of the public one
+COPY . /opt/snap-src/microwave-toolbox
+
+# Build the SNAP Engine
+WORKDIR /opt/snap-src/snap-engine
+RUN mvn -q -B clean install -DskipTests
+
+# Build the Microwave Toolbox
+WORKDIR /opt/snap-src/microwave-toolbox
+RUN mvn -q -B clean install -DskipTests
+
+# Set environment variables for SNAP
+ENV SNAP_HOME=/opt/snap-src/snap-engine
+ENV SNAP_RUNTIME_CLASSPATH=/opt/snap-src/snap-engine/snap-runtime/target/snap-runtime.jar
+
+# Find all JAR files and add them to the classpath
+RUN find /opt/snap-src/snap-engine -name "*.jar" | grep -v "^\." | grep -v "/src/" |  \
+    grep -v "/target/classes/" | grep -v "/target/test-classes/" > /opt/snap-src/snap-classpath.txt
+
+# Set up environment for running GPT
+RUN echo '#!/bin/bash' > /usr/local/bin/gpt && \
+    echo 'CLASSPATH=""' >> /usr/local/bin/gpt && \
+    echo 'for JAR in $(cat /opt/snap-src/snap-classpath.txt); do' >> /usr/local/bin/gpt && \
+    echo '  CLASSPATH="$CLASSPATH:$JAR"' >> /usr/local/bin/gpt && \
+    echo 'done' >> /usr/local/bin/gpt && \
+    echo 'for JAR in $(find /opt/snap-src/microwave-toolbox -name "*.jar" | grep -v "^\." | grep -v "/src/" | grep -v "/target/classes/" | grep -v "/target/test-classes/"); do'  \
+    >> /usr/local/bin/gpt && \
+    echo '  CLASSPATH="$CLASSPATH:$JAR"' >> /usr/local/bin/gpt && \
+    echo 'done' >> /usr/local/bin/gpt && \
+    echo 'java -Xmx10G -XX:+UseG1GC -XX:+UseStringDeduplication -XX:MaxGCPauseMillis=200 -cp $CLASSPATH org.esa.snap.core.gpf.main.GPT "$@"'  \
+    >> /usr/local/bin/gpt && \
+    chmod +x /usr/local/bin/gpt
+
+# Add information to the profile
+RUN echo 'export SNAP_HOME=/opt/snap-src/snap-engine' >> /root/.bashrc && \
+    echo 'export PATH=$SNAP_HOME/bin:$PATH' >> /root/.bashrc
+
+# Define working directory for when container is running
+WORKDIR /data
+
+CMD ["/bin/bash"]