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pdf_signature
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fix: downgrade base docker image to improve glibc compatibility

This commit is contained in:
insleker 2025-10-09 20:35:13 +08:00
parent 3bc1395a7c
commit 545030d961
2 changed files with 48 additions and 15 deletions
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61
Dockerfile.arm64
View File

@ -4,12 +4,23 @@
# Multi-arch Dockerfile for building Flutter Linux app on ARM64 using emulation
# Build with: docker buildx build --platform linux/arm64 -t pdf_signature_arm64 .
FROM --platform=linux/arm64 ghcr.io/cirruslabs/flutter:latest AS build
# ----------------------------------------------------------------------------
# Build stage (Ubuntu 18.04) — glibc 2.27 to maximize compatibility (<= 2.30)
# ----------------------------------------------------------------------------
FROM --platform=linux/arm64 ubuntu:18.04 AS build
# Install dependencies for Linux build (if not already in the image)
ENV DEBIAN_FRONTEND=noninteractive \
TZ=UTC \
FLUTTER_CHANNEL=stable
# Install build dependencies and tooling
RUN apt-get update && apt-get install -y \
ca-certificates \
curl \
git \
unzip \
xz-utils \
clang \
cmake \
ninja-build \
pkg-config \
libgtk-3-dev \
@ -17,8 +28,23 @@ RUN apt-get update && apt-get install -y \
liblzma-dev \
&& rm -rf /var/lib/apt/lists/*
# Enable Linux desktop support
RUN flutter config --enable-linux-desktop
# Install a newer CMake (>= 3.13 required by Flutter linux build) for ARM64
ARG CMAKE_VERSION=3.27.9
RUN curl -fsSL -o /tmp/cmake.tar.gz \
https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-linux-aarch64.tar.gz \
&& tar -C /opt -xzf /tmp/cmake.tar.gz \
&& ln -sf /opt/cmake-${CMAKE_VERSION}-linux-aarch64/bin/cmake /usr/local/bin/cmake \
&& ln -sf /opt/cmake-${CMAKE_VERSION}-linux-aarch64/bin/ctest /usr/local/bin/ctest \
&& ln -sf /opt/cmake-${CMAKE_VERSION}-linux-aarch64/bin/cpack /usr/local/bin/cpack \
&& rm -f /tmp/cmake.tar.gz
# Install Flutter SDK (ARM64) from source repo (channel: stable)
RUN git clone -b ${FLUTTER_CHANNEL} https://github.com/flutter/flutter.git /opt/flutter
ENV PATH="/opt/flutter/bin:/opt/flutter/bin/cache/dart-sdk/bin:${PATH}"
# Precache Linux desktop artifacts and enable linux desktop
RUN flutter config --enable-linux-desktop && \
flutter precache --linux
# Set working directory
WORKDIR /app
@ -32,24 +58,31 @@ RUN flutter pub get
# Copy the rest of the project
COPY . .
# Enable Linux desktop platform for the project
RUN flutter create . --platforms linux
# Ensure Linux desktop project files are present (do not overwrite existing files/pubspec)
RUN [ -d linux ] || flutter create . --platforms=linux
# Generate localization and build runner
RUN flutter gen-l10n
RUN flutter pub run build_runner build --delete-conflicting-outputs
# Refresh dependencies after full context is copied
RUN flutter pub get
# Generate build_runner outputs if codegen files are referenced
RUN bash -lc "if grep -R \"part '.*\\.g\\.dart'\|part '.*\\.freezed\\.dart'\" -n lib >/dev/null; then dart --disable-analytics >/dev/null 2>&1 || true; dart run build_runner build --delete-conflicting-outputs; fi"
# Build the Linux app for ARM64 (explicitly specify, though container is ARM64)
RUN flutter build linux --target-platform linux-arm64 --release
# Final stage: Create a minimal runtime image
FROM --platform=linux/arm64 ubuntu:22.04 AS runtime
# ----------------------------------------------------------------------------
# Runtime stage (Ubuntu 18.04) — matches glibc from builder (2.27)
# ----------------------------------------------------------------------------
FROM --platform=linux/arm64 ubuntu:18.04 AS runtime
# Install runtime dependencies
ENV DEBIAN_FRONTEND=noninteractive TZ=UTC
# Install runtime dependencies only (do not ship libc from builder)
RUN apt-get update && apt-get install -y \
libgtk-3-0 \
libblkid1 \
liblzma5 \
libstdc++6 \
&& rm -rf /var/lib/apt/lists/*
# Copy the built app
@ -59,4 +92,4 @@ COPY --from=build /app/build/linux/arm64/release/bundle /app
WORKDIR /app
# Run the app with bundled libraries
CMD ["sh", "-c", "LD_LIBRARY_PATH=/app/lib:$LD_LIBRARY_PATH ./pdf_signature"]
CMD ["./pdf_signature"]

2
docs/docker_compile.md
View File

@ -10,7 +10,7 @@ docker buildx create --use --name multiarch
build
```bash
docker buildx build --platform linux/arm64 -f Dockerfile.arm64 -t pdf_signature_arm64 .
docker buildx build --platform linux/arm64 -f Dockerfile.arm64 -t pdf_signature_arm64 --load .
```
Extract the Built App