feat: add Dockerfile to project

.dockerignore

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+.git
+target
+*.log
+Dockerfile

Dockerfile

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+FROM maven:3.9.5-eclipse-temurin-21
+
+# Install additional dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    tar \
+    nodejs \
+    npm \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set version of Graphhopper
+ARG GH_VERSION=9.1-osm-reader-callbacks
+
+# Download Graphhopper source code
+RUN curl -L https://github.com/geofabrik/graphhopper/archive/refs/tags/${GH_VERSION}.tar.gz -o graphhopper.tar.gz
+RUN mkdir -p /openrailrouting/graphhopper && tar -xzf graphhopper.tar.gz -C /openrailrouting/graphhopper --strip-components=1
+
+# Remove tarball
+RUN rm graphhopper.tar.gz
+
+# Copy OpenRailRouting source code into the container
+COPY . /openrailrouting
+
+# Set working directory to OpenRailRouting
+WORKDIR /openrailrouting
+
+# Clear Maven repository to ensure a fresh build
+RUN rm -rf ~/.m2/repository/*
+
+# Build OpenRailRouting and Graphhopper using Maven
+RUN mvn clean install -DskipTests
+
+# Expose necessary ports and run the application
+EXPOSE 8989
+
+CMD java -Xmx2G -Xms512m \
+    -Ddw.graphhopper.graph.location=/openrailrouting/osm/data-gh \
+    -Ddw.graphhopper.datareader.file=${OSM_PATH} \
+    -jar target/railway_routing-1.0.0.jar server ./config.yml