multipart form Dockerfile

multipart-form/Dockerfile

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+# ================================
+# Build image
+# ================================
+FROM swift:5.10-jammy as build
+
+# Install OS updates
+RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
+    && apt-get -q update \
+    && apt-get -q dist-upgrade -y \
+    && apt-get install -y libjemalloc-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set up a build area
+WORKDIR /build
+
+# First just resolve dependencies.
+# This creates a cached layer that can be reused
+# as long as your Package.swift/Package.resolved
+# files do not change.
+COPY ./Package.* ./
+RUN swift package resolve
+
+# Copy entire repo into container
+COPY . .
+
+# Build everything, with optimizations, with static linking, and using jemalloc
+RUN swift build -c release \
+    --static-swift-stdlib \
+    -Xlinker -ljemalloc
+
+# Switch to the staging area
+WORKDIR /staging
+
+# Copy main executable to staging area
+RUN cp "$(swift build --package-path /build -c release --show-bin-path)/App" ./
+
+# Copy static swift backtracer binary to staging area
+RUN cp "/usr/libexec/swift/linux/swift-backtrace-static" ./
+
+# Copy resources bundled by SPM to staging area
+RUN find -L "$(swift build --package-path /build -c release --show-bin-path)/" -regex '.*\.resources$' -exec cp -Ra {} ./ \;
+
+# Copy any resouces from the public directory if the directories exist
+# Ensure that by default, neither the directory nor any of its contents are writable.
+RUN [ -d /build/public ] && { mv /build/public ./public && chmod -R a-w ./public; } || true
+
+# ================================
+# Run image
+# ================================
+FROM ubuntu:jammy
+
+# Make sure all system packages are up to date, and install only essential packages.
+RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
+    && apt-get -q update \
+    && apt-get -q dist-upgrade -y \
+    && apt-get -q install -y \
+      libjemalloc2 \
+      ca-certificates \
+      tzdata \
+# If your app or its dependencies import FoundationNetworking, also install `libcurl4`.
+      # libcurl4 \
+# If your app or its dependencies import FoundationXML, also install `libxml2`.
+      # libxml2 \
+    && rm -r /var/lib/apt/lists/*
+
+# Create a hummingbird user and group with /app as its home directory
+RUN useradd --user-group --create-home --system --skel /dev/null --home-dir /app hummingbird
+
+# Switch to the new home directory
+WORKDIR /app
+
+# Copy built executable and any staged resources from builder
+COPY --from=build --chown=hummingbird:hummingbird /staging /app
+
+# Provide configuration needed by the built-in crash reporter and some sensible default behaviors.
+ENV SWIFT_BACKTRACE=enable=yes,sanitize=yes,threads=all,images=all,interactive=no,swift-backtrace=./swift-backtrace-static
+
+# Ensure all further commands run as the hummingbird user
+USER hummingbird:hummingbird
+
+# Let Docker bind to port 8080
+EXPOSE 8080
+
+# Start the Hummingbird service when the image is run, default to listening on 8080 in production environment
+ENTRYPOINT ["./App"]
+CMD ["--hostname", "0.0.0.0", "--port", "8080"]