96 lines
3.4 KiB
Docker
96 lines
3.4 KiB
Docker
# TODO: support multi-arch building
|
|
# TODO: https://docs.docker.com/reference/build-checks/from-platform-flag-const-disallowed/
|
|
|
|
# Multi-arch Dockerfile for building Flutter Linux app on ARM64 using emulation
|
|
# Build with: docker buildx build --platform linux/arm64 -t pdf_signature_arm64 .
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# Build stage (Ubuntu 18.04) — glibc 2.27 to maximize compatibility (<= 2.30)
|
|
# ----------------------------------------------------------------------------
|
|
FROM --platform=linux/arm64 ubuntu:18.04 AS build
|
|
|
|
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 \
|
|
ninja-build \
|
|
pkg-config \
|
|
libgtk-3-dev \
|
|
libblkid-dev \
|
|
liblzma-dev \
|
|
&& rm -rf /var/lib/apt/lists/*
|
|
|
|
# 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
|
|
|
|
# Copy pubspec files first for better caching
|
|
COPY pubspec.* ./
|
|
|
|
# Get dependencies
|
|
RUN flutter pub get
|
|
|
|
# Copy the rest of the project
|
|
COPY . .
|
|
|
|
# Ensure Linux desktop project files are present (do not overwrite existing files/pubspec)
|
|
RUN [ -d linux ] || flutter create . --platforms=linux
|
|
|
|
# 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
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# Runtime stage (Ubuntu 18.04) — matches glibc from builder (2.27)
|
|
# ----------------------------------------------------------------------------
|
|
FROM --platform=linux/arm64 ubuntu:18.04 AS runtime
|
|
|
|
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
|
|
COPY --from=build /app/build/linux/arm64/release/bundle /app
|
|
|
|
# Set working directory
|
|
WORKDIR /app
|
|
|
|
# Run the app with bundled libraries
|
|
CMD ["./pdf_signature"]
|