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Fix Zig version in Dockerfile #2

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Fix Zig version in Dockerfile #2

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6412aab
Fix Zig version in Dockerfile
kaashyapan May 1, 2026
3263e6c
Make multi stage build
May 1, 2026
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37 changes: 26 additions & 11 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM ubuntu:22.04
FROM ubuntu:22.04 AS build

# Install system dependencies
RUN apt-get update && apt-get install -y \
Expand All @@ -11,13 +11,14 @@ RUN apt-get update && apt-get install -y \
xz-utils \
&& rm -rf /var/lib/apt/lists/*

# Install Zig (using latest stable release)
ARG ZIG_VERSION=0.13.0
RUN wget https://ziglang.org/download/${ZIG_VERSION}/zig-linux-x86_64-${ZIG_VERSION}.tar.xz \
&& tar -xf zig-linux-x86_64-${ZIG_VERSION}.tar.xz \
&& mv zig-linux-x86_64-${ZIG_VERSION} /usr/local/zig \
# Install Zig (minimum 0.15.2 )
ARG ZIG_VERSION=0.15.2

RUN wget https://ziglang.org/download/${ZIG_VERSION}/zig-x86_64-linux-${ZIG_VERSION}.tar.xz \
&& tar -xf zig-x86_64-linux-${ZIG_VERSION}.tar.xz \
&& mv zig-x86_64-linux-${ZIG_VERSION} /usr/local/zig \
&& ln -s /usr/local/zig/zig /usr/local/bin/zig \
&& rm zig-linux-x86_64-${ZIG_VERSION}.tar.xz
&& rm zig-x86_64-linux-${ZIG_VERSION}.tar.xz

# Set working directory
WORKDIR /app
Expand All @@ -31,8 +32,22 @@ RUN chmod +x build_wrapper.sh && ./build_wrapper.sh
# Build Zig application
RUN zig build -Doptimize=ReleaseFast

# Expose port
EXPOSE 8080
# --- runtime stage ---

FROM ubuntu:22.04 AS runtime

RUN apt-get update && apt-get install -y \
libphonenumber8 \
libprotobuf23 \
libicu70 \
&& rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY --from=build /app/zig-out/bin/phonecheck ./
COPY --from=build /app/lib/libphonenumber_wrapper.so ./lib/

# Run the application
CMD ["./zig-out/bin/phonecheck"]
# Fix the shared lib path so the binary finds the wrapper
ENV LD_LIBRARY_PATH=/app/lib

EXPOSE 8080
CMD ["/app/phonecheck"]