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FROM ubuntu:22.04
# Prevent interactive prompts during build
ENV DEBIAN_FRONTEND=noninteractive
# Install Node.js and utilities
RUN apt-get update && apt-get install -y \
curl \
tar \
ca-certificates \
findutils \
&& curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
&& apt-get install -y nodejs \
&& rm -rf /var/lib/apt/lists/*
# Create directory for ITURHFProp
WORKDIR /opt/iturhfprop
# Download individual binary files from v14.3 release (latest)
RUN curl -L -o ITURHFProp "https://github.com/ITU-R-Study-Group-3/ITU-R-HF/releases/download/v14.3/ITURHFProp" \
&& curl -L -o libp533.so "https://github.com/ITU-R-Study-Group-3/ITU-R-HF/releases/download/v14.3/libp533.so" \
&& curl -L -o libp372.so "https://github.com/ITU-R-Study-Group-3/ITU-R-HF/releases/download/v14.3/libp372.so" \
&& chmod +x ITURHFProp
# Download source to get Data files
RUN curl -L -o source.tar.gz "https://github.com/ITU-R-Study-Group-3/ITU-R-HF/archive/refs/tags/v14.3.tar.gz" \
&& tar -xzf source.tar.gz \
&& echo "=== Finding all Data directories ===" \
&& find ITU-R-HF-14.3 -type d -name "Data" \
&& echo "=== Finding ionos files ===" \
&& find ITU-R-HF-14.3 -name "ionos*.bin" \
&& echo "=== Finding ant files ===" \
&& find ITU-R-HF-14.3 -name "*.ant" \
&& echo "=== Finding COEFF files ===" \
&& find ITU-R-HF-14.3 -name "COEFF*.BIN" | head -5
# Create Data directory and copy ALL required files from various locations
RUN mkdir -p Data \
&& echo "=== Copying COEFF files ===" \
&& find ITU-R-HF-14.3 -name "COEFF*.BIN" -exec cp {} Data/ \; \
&& find ITU-R-HF-14.3 -name "COEFF*.txt" -exec cp {} Data/ \; \
&& echo "=== Copying ionos files ===" \
&& find ITU-R-HF-14.3 -name "ionos*.bin" -exec cp {} Data/ \; \
&& echo "=== Copying antenna files ===" \
&& find ITU-R-HF-14.3 -name "*.ant" -exec cp {} Data/ \; \
&& echo "=== Copying any other data files ===" \
&& find ITU-R-HF-14.3 -name "P372*.txt" -exec cp {} Data/ \; 2>/dev/null || true \
&& find ITU-R-HF-14.3 -name "*.csv" -exec cp {} Data/ \; 2>/dev/null || true
# Cleanup
RUN rm -rf ITU-R-HF-14.3 source.tar.gz
# Set library path so ITURHFProp can find shared libs
ENV LD_LIBRARY_PATH=/opt/iturhfprop:$LD_LIBRARY_PATH
# Verify installation - show all files in Data
RUN echo "=== Binary files ===" && ls -la /opt/iturhfprop/*.so /opt/iturhfprop/ITURHFProp \
&& echo "=== Data directory contents ===" && ls -la /opt/iturhfprop/Data/
# Set up the API service
WORKDIR /app
COPY package.json ./
RUN npm install --production
COPY server.js ./
# Environment
ENV PORT=3000
ENV ITURHFPROP_PATH=/opt/iturhfprop/ITURHFProp
ENV ITURHFPROP_DATA=/opt/iturhfprop
EXPOSE 3000
CMD ["node", "server.js"]

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