build: optimize docker caching strategy to avoid redundant installs

This commit is contained in:
Michael committed 2026-03-10 16:05:47 +01:00
1 parent 36a74d9e97
commit 8098e024a9
1 file changed
+17 -27
+17 -27
View File
@@ -1,45 +1,35 @@
# Stage 1: Build Environment # Stage 1: Build Environment (Optimized for Docker Caching)
FROM ghcr.io/cirruslabs/flutter:stable AS builder FROM ghcr.io/cirruslabs/flutter:stable AS builder
USER root USER root
WORKDIR /app WORKDIR /app
# Version tag to identify the build in logs # Optimize DART VM Memory
RUN echo "XTREMFLOW_BUILD_VERSION: 2.0_STABLE_TIMEOUTS"
# Optimize DART VM Memory for build
ENV DART_VM_OPTIONS="--old_gen_heap_size=16384" ENV DART_VM_OPTIONS="--old_gen_heap_size=16384"
ENV FLUTTER_NO_ANALYTICS=1 ENV FLUTTER_NO_ANALYTICS=1
ENV PUB_SUMMARY_ONLY=1
# 1. Pre-download artifacts (Force download before build starts) # 1. System Config & Precache (RARELY CHANGES)
RUN echo "Step 1: Flutter Config and Precache..." && \ RUN flutter config --enable-web && flutter precache --web
flutter config --enable-web && \
flutter precache --web --verbose
# 2. Copy dependency files first for caching # 2. Dependency Resolution (ONLY UPDATES IF PUBSPEC CHANGES)
COPY pubspec.yaml ./ COPY pubspec.yaml ./
COPY bin/pubspec.yaml ./bin/ COPY bin/pubspec.yaml ./bin/
# Note: No .lock files found locally, so we fetch fresh ones here
RUN flutter pub get && cd bin && dart pub get
# 3. Get dependencies (Verbose to see progress) # 3. Source Code Copy (CHANGES OFTEN)
RUN echo "Step 3: Fetching dependencies..." && \ # Everything except what's in .dockerignore (built-in protection)
flutter pub get --verbose && \
cd bin && dart pub get --verbose
# 4. Copy source code
COPY . . COPY . .
# 5. Generate code (build_runner) # 4. Code Generation
RUN echo "Step 5: Code Generation..." && \ RUN dart run build_runner build --delete-conflicting-outputs
dart run build_runner build --delete-conflicting-outputs
# 6. Build web application (VERBOSE + NO-PUB to prevent network access) # 5. Compilation (SLOWEST STEP - INEVITABLE)
RUN echo "Step 6: Building Web Application..." && \ # This step MUST run if you modified any Dart file.
flutter build web --release --base-href="/" --no-tree-shake-icons --no-pub --verbose RUN flutter build web --release --base-href="/" --no-tree-shake-icons --no-pub
# 7. Compile server to native executable # 6. Native Server Compilation
RUN echo "Step 7: Compiling Backend Server..." && \ RUN cd bin && dart compile exe server.dart -o server
cd bin && dart compile exe server.dart -o server
# ============================================ # ============================================
# Stage 2: Production Runtime # Stage 2: Production Runtime
@@ -56,7 +46,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
gosu \ gosu \
&& rm -rf /var/lib/apt/lists/* && rm -rf /var/lib/apt/lists/*
# FFmpeg with NVENC # FFmpeg with NVENC (cached unless this RUN changes)
RUN wget -q https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz \ RUN wget -q https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz \
&& tar xf ffmpeg-master-latest-linux64-gpl.tar.xz \ && tar xf ffmpeg-master-latest-linux64-gpl.tar.xz \
&& mv ffmpeg-master-latest-linux64-gpl/bin/ffmpeg /usr/local/bin/ \ && mv ffmpeg-master-latest-linux64-gpl/bin/ffmpeg /usr/local/bin/ \