Dockerfile.multistage

# Stage 1: Build dependencies and environment setup
FROM ubuntu:22.04 AS build

ENV DEBIAN_FRONTEND=noninteractive

WORKDIR /src

# Install required packages for building
RUN apt-get update && apt-get install -y \
    git \
    build-essential \
    libssl-dev \
    uuid-dev \
    cmake \
    libasound2-dev \
    pkg-config \
    nlohmann-json3-dev \
    && rm -rf /var/lib/apt/lists/*

# Clone or copy the source code
COPY . /src

# Build the project
RUN git clone https://github.com/pjsip/pjproject.git
WORKDIR /src/pjproject
RUN ./configure

WORKDIR /src
RUN ./build.sh

# Stage 2: Runtime image with only the necessary files
FROM ubuntu:22.04 AS runtime

# Install runtime dependencies (if needed, like libraries or tools for running the application)
RUN apt-get update && apt-get install -y \
    libssl-dev \
    libasound2-dev \
    nlohmann-json3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy the built application from the build stage
COPY --from=build /src/build/srs /usr/local/bin/srs

# Set the default command
CMD ["/usr/local/bin/srs"]