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fix: use docker TARGETARCH for runtime-specific dotnet publish

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Removing RuntimeIdentifier from the csproj caused dotnet publish to produce
ALL platform runtimes (20+) in the output, making runtime loading ambiguous
and causing FileLoadException at startup.

Instead of hardcoding the RID in the csproj, use Docker's built-in TARGETARCH
ARG (injected automatically by buildx for multi-platform builds):
  amd64 -> -r linux-x64
  arm64 -> -r linux-arm64

This ensures native deps (SQLitePCLRaw, EF Core) resolve to exactly one
architecture per image, while keeping the csproj clean for local dev.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
nanxun
2026-07-03 17:17:38 +08:00
co-authored by Claude Opus 4.8
parent cee591b729
commit 7a12b929dd
1 changed files with 8 additions and 1 deletions
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src/LiveRecorder.WebApi/Dockerfile
+8 -1
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@@ -20,6 +20,13 @@ ENV HTTP_PROXY=${HTTP_PROXY} \
https_proxy=${https_proxy} \
no_proxy=${no_proxy}
# Map Docker TARGETARCH to .NET RID so native dependencies (SQLite, EF Core)
# resolve to the correct platform. Framework-dependent output — apphost stays
# at /p:UseAppHost=false.
ARG TARGETARCH
RUN DOTNET_RID=$(case "$TARGETARCH" in amd64) echo linux-x64 ;; arm64) echo linux-arm64 ;; *) echo "unknown: $TARGETARCH" >&2; exit 1 ;; esac) ; \
echo "Building for TARGETARCH=$TARGETARCH -> RID=$DOTNET_RID"
COPY . .
# Workaround for QEMU ARM64 emulation
@@ -30,7 +37,7 @@ ENV DOTNET_GCConserveMemory=9
RUN dotnet restore "src/LiveRecorder.WebApi/LiveRecorder.WebApi.csproj" -p:RestoreUseStaticGraphEvaluation=true --disable-parallel || \
dotnet restore "src/LiveRecorder.WebApi/LiveRecorder.WebApi.csproj" -p:RestoreUseStaticGraphEvaluation=true --disable-parallel || \
dotnet restore "src/LiveRecorder.WebApi/LiveRecorder.WebApi.csproj" -p:RestoreUseStaticGraphEvaluation=true --disable-parallel
RUN dotnet publish "src/LiveRecorder.WebApi/LiveRecorder.WebApi.csproj" -c Release -o /app/publish /p:UseAppHost=false /p:DebugType=None /p:DebugSymbols=false /maxcpucount:1
RUN dotnet publish "src/LiveRecorder.WebApi/LiveRecorder.WebApi.csproj" -c Release -o /app/publish -r $DOTNET_RID /p:UseAppHost=false /p:DebugType=None /p:DebugSymbols=false /maxcpucount:1
FROM ${DOTNET_RUNTIME_IMAGE} AS runtime