我正在尝试在 .net 6 dockerized 项目中使用 ffmpeg 核心包。我在 Dockerfile 中安装 ffmpeg 核心,在解决方案中引用实际包 FFMpegCore 但是当我尝试应用 ffmpeg 核心库中的任何命令时,我收到错误
An error occurred trying to start process './ffmpeg' with working directory '/var/task'. No such file or directory
Docker 构建完成,没有错误。
Dockerfile
FROM public.ecr.aws/lambda/dotnet:6 AS base
....
RUN apt-get install -y ffmpeg
....
FROM base AS final
WORKDIR /var/task
COPY --from=publish /app/publish .
根据 ffmpeg core docs 为了使用 ffmpeg 我需要设置它的二进制文件夹,所以我添加了 ffmpeg.config.json{
"BinaryFolder": "/var/task",
"TemporaryFilesFolder": "/tmp"
}
当我尝试执行以下命令时抛出实际错误An error occurred trying to start process './ffmpeg' with working directory '/var/task'. No such file or directory
这是触发错误的地方
using FFMpegCore;
...
public class MyController : ControllerBase
{
public async Task<string> Get()
{
await FFMpegArguments
.FromPipeInput(new StreamPipeSource(myfile))
.OutputToPipe(new StreamPipeSink(outputStream), options => options
.WithVideoCodec("vp9")
.ForceFormat("webm"))
.ProcessAsynchronously();
...
}
}
更新:更改后
BinaryFolder
定位到 /usr/bin
我收到以下错误An error occurred trying to start process '/usr/bin/ffmpeg' with working directory '/var/task'. No such file or directory
更新#2这是我完整的 Dockerfile
FROM public.ecr.aws/lambda/dotnet:6 AS base
FROM mcr.microsoft.com/dotnet/sdk:6.0-bullseye-slim as build
WORKDIR /src
COPY ["AWSServerless.csproj", "AWSServerless/"]
RUN dotnet restore "AWSServerless/AWSServerless.csproj"
WORKDIR "/src/AWSServerless"
COPY . .
RUN dotnet build "AWSServerless.csproj" --configuration Release --output /app/build
FROM build AS publish
RUN apt-get update \
&& apt-get install -y apt-utils libgdiplus libc6-dev \
&& apt-get install -y ffmpeg
RUN dotnet publish "AWSServerless.csproj" \
--configuration Release \
--runtime linux-x64 \
--self-contained false \
--output /app/publish \
-p:PublishReadyToRun=true
FROM base AS final
WORKDIR /var/task
CMD ["AWSServerless::AWSServerless.LambdaEntryPoint::FunctionHandlerAsync"]
COPY --from=publish /app/publish .
最佳答案
您是在告诉它二进制文件在 /var/task
中在 ffmpeg.config.json
, 但是 apt-get install -y ffmpeg
在 /usr/bin
中安装 ffmpeg .更改BinaryFolder
像这样配置值
{
"BinaryFolder": "/usr/bin",
"TemporaryFilesFolder": "/tmp"
}
您还需要安装ffmpeg
在 Dockerfile 中的某个点,它将最终出现在最终图像中。现在,您将它安装在 Dockerfile 的构建/发布部分中,该部分不用于最终镜像。试试这个
FROM public.ecr.aws/lambda/dotnet:6 AS base
# Install ffmpeg
RUN mkdir /ffmpeg && \
cd /ffmpeg && \
yum -y install tar xz && \
curl https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz -o ffmpeg.tar.xz -s && \
tar -xf ffmpeg.tar.xz && \
mv ffmpeg-*-amd64-static/ffmpeg /usr/bin && \
cd / && \
rm -rf ffmpeg
FROM mcr.microsoft.com/dotnet/sdk:6.0-bullseye-slim as build
WORKDIR /src
COPY ["AWSServerless.csproj", "AWSServerless/"]
RUN dotnet restore "AWSServerless/AWSServerless.csproj"
WORKDIR "/src/AWSServerless"
COPY . .
RUN dotnet build "AWSServerless.csproj" --configuration Release --output /app/build
FROM build AS publish
RUN dotnet publish "AWSServerless.csproj" \
--configuration Release \
--runtime linux-x64 \
--self-contained false \
--output /app/publish \
-p:PublishReadyToRun=true
FROM base AS final
WORKDIR /var/task
CMD ["AWSServerless::AWSServerless.LambdaEntryPoint::FunctionHandlerAsync"]
COPY --from=publish /app/publish .
关于.net - 软件包安装在 docker 内,但实际命令提供异常,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/72452823/