update dockerfile with swift version 5.9

Dockerfile

@@ -1,12 +1,12 @@
 # ================================
 # Build image
 # ================================
-FROM swift:5.7-focal as build
+FROM swift:5.9-jammy-slim
 
+# 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 libsqlite3-dev nano \
+    && apt-get -q dist-upgrade -y\
     && rm -rf /var/lib/apt/lists/*
 
 # Set up a build area
@@ -17,32 +17,35 @@ WORKDIR /build
 # as long as your Package.swift/Package.resolved
 # files do not change.
 COPY ./Package.* ./
-RUN swift package resolve
+RUN swift package resolve --skip-update \
+        $([ -f ./Package.resolved ] && echo "--force-resolved-versions" || true)
 
 # Copy entire repo into container
 COPY . .
 
 # Build everything, with optimizations
-RUN swift build -c release --static-swift-stdlib
+RUN swift build -c release --static-swift-stdlib \
+    # Workaround for https://github.com/apple/swift/pull/68669
+    # This can be removed as soon as 5.9.1 is released, but is harmless if left in.
+    -Xlinker -u -Xlinker _swift_backtrace_isThunkFunction
 
 # 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)/Main" ./
 
-# 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 resources from the public directory and views 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/Cert ./Cert && chmod -R a-w ./Cert; } || true
 RUN [ -d /build/Public ] && { mv /build/Public ./Public && chmod -R a-w ./Public; } || true
 RUN [ -d /build/Resources ] && { mv /build/Resources ./Resources && chmod -R a-w ./Resources; } || true
+
 # ================================
 # Run image
 # ================================
-FROM ubuntu:focal
+FROM swift:5.9-jammy-slim
 
 # Make sure all system packages are up to date, and install only essential packages.
 RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
@@ -63,6 +66,7 @@ RUN useradd --user-group --create-home --system --skel /dev/null --home-dir /app
 # Switch to the new home directory
 WORKDIR /app
 
+
 # Copy built executable and any staged resources from builder
 COPY --from=build --chown=vapor:vapor /staging /app
 COPY --from=build --chown=vapor:vapor /build/.build/release /app
@@ -79,6 +83,9 @@ COPY --from=build --chown=vapor:vapor /build/.build/release /app
 # Uncomment the next line if you need to load resources from the `Resources` directory
 #COPY --from=build --chown=vapor:vapor /build/Resources /app/Resources
 
+# Provide configuration needed by the built-in crash reporter and some sensible default behaviors.
+ENV SWIFT_ROOT=/usr SWIFT_BACKTRACE=enable=yes,sanitize=yes,threads=all,images=all,interactive=no
+
 # Ensure all further commands run as the vapor user
 USER vapor:vapor
 

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.9
 import PackageDescription
 
 let package = Package(