尝试在 ARM64 Apple M1 中构建时出现 Docker 错误：“无法解析当前可执行文件 [/proc/self/exe] 的完整路径”

Question

I'm having trouble building docker containers on an Apple M1 The project uses sdk 2.2 which is incompatible with arm64 architecture. So I changed the sdk and as.net cores to 2.2-alpine3.8 and they seem to build ok but the process fails when it needs to publish

The docker file:

FROM mcr.microsoft.com/dotnet/core/sdk:2.2-alpine3.8 AS build-env
WORKDIR /app
# Copy csproj and restore as distinct layers
COPY . .
RUN dotnet publish src/admin/MyContainer.Admin.csproj -c Release -o ./publish

# Build runtime image
FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-alpine3.8
WORKDIR /app
COPY --from=build-env /app/src/admin/publish .

# Copy script that allows waiting for the database on docker-compose
# As referenced here https://docs.docker.com/compose/startup-order/
# This was done because admin starts up very quickly on e2e env
# and the sqlserver container wasn't getting ready fast enough
COPY --from=build-env /app/docker-wait-for-it.sh .

EXPOSE 80
CMD ["dotnet", "MyContainer.Admin.dll"]

the build command I'm using is:

docker buildx build --platform linux/arm64/v8 -t MyContainer.azurecr.io/admin-api-web:development ./backend -f ./backend/Admin.Api.Web.Dockerfile

and the log output is:

[+] Building 0.5s (11/13)                                                                                                                                                                                                                   
 => [internal] load build definition from Admin.Api.Web.Dockerfile                                                                                                                                                                     0.0s
 => => transferring dockerfile: 46B                                                                                                                                                                                                    0.0s
 => [internal] load .dockerignore                                                                                                                                                                                                      0.0s
 => => transferring context: 34B                                                                                                                                                                                                       0.0s
 => [internal] load metadata for mcr.microsoft.com/dotnet/core/aspnet:2.2-alpine3.8                                                                                                                                                    0.1s
 => [internal] load metadata for mcr.microsoft.com/dotnet/core/sdk:2.2-alpine3.8                                                                                                                                                       0.1s
 => [build-env 1/4] FROM mcr.microsoft.com/dotnet/core/sdk:2.2-alpine3.8@sha256:1299ac0379146c1de7b588196727dbd56eace3abfbdd4321c547c9ff4a18a2f7                                                                                       0.0s
 => => resolve mcr.microsoft.com/dotnet/core/sdk:2.2-alpine3.8@sha256:1299ac0379146c1de7b588196727dbd56eace3abfbdd4321c547c9ff4a18a2f7                                                                                                 0.0s
 => [stage-1 1/4] FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-alpine3.8@sha256:4d6e528f4c09c55804b6032ecc5d60565a3ee16f68bb08d2cf337dff99cdb8c3                                                                                      0.0s
 => => resolve mcr.microsoft.com/dotnet/core/aspnet:2.2-alpine3.8@sha256:4d6e528f4c09c55804b6032ecc5d60565a3ee16f68bb08d2cf337dff99cdb8c3                                                                                              0.0s
 => [internal] load build context                                                                                                                                                                                                      0.2s
 => => transferring context: 473.91kB                                                                                                                                                                                                  0.1s
 => CACHED [stage-1 2/4] WORKDIR /app                                                                                                                                                                                                  0.0s
 => CACHED [build-env 2/4] WORKDIR /app                                                                                                                                                                                                0.0s
 => CACHED [build-env 3/4] COPY . .                                                                                                                                                                                                    0.0s
 => ERROR [build-env 4/4] RUN dotnet publish src/admin/MyContainer.Admin.csproj -c Release -o ./publish                                                                                                                                  0.1s
------
 > [build-env 4/4] RUN dotnet publish src/admin/MyContainer.Admin.csproj -c Release -o ./publish:
#11 0.127 Failed to resolve full path of the current executable [/proc/self/exe]

I've tried with different platforms on the --platform flag and without any specified as well... If I try to build with core 2.2 I get this output:

[+] Building 0.5s (4/4) FINISHED                                                                                                                                                                                                            
 => [internal] load build definition from Admin.Api.Web.Dockerfile                                                                                                                                                                     0.0s
 => => transferring dockerfile: 745B                                                                                                                                                                                                   0.0s
 => [internal] load .dockerignore                                                                                                                                                                                                      0.0s
 => => transferring context: 34B                                                                                                                                                                                                       0.0s
 => ERROR [internal] load metadata for mcr.microsoft.com/dotnet/core/aspnet:2.2                                                                                                                                                        0.4s
 => CANCELED [internal] load metadata for mcr.microsoft.com/dotnet/core/sdk:2.2                                                                                                                                                        0.4s
------
 > [internal] load metadata for mcr.microsoft.com/dotnet/core/aspnet:2.2:
------
error: failed to solve: failed to solve with frontend dockerfile.v0: failed to create LLB definition: no match for platform in manifest sha256:08xxx: not found

Which I've found out to be because core 2.2 has no support form arm64. But this file builds without any errors on an Intel MacBook but with M1 I can't get past the build error. Any ideas?

Answer 1

This is not an answer but a followup to the problem, which might shed some more light on the issue.

I'm using as.net:6 and it passes the build.

The problem later on is that the runnable.dll throws

cannot execute binary file: Exec format error

which seems to be a platform issue, using Mac with an M1 Silicon chipset.

I have no issue with other docker images that are made for linux/amd64

The Docker daemon seems to deal with this fine (having installed Rosetta2 and the Latest Docker Desktop for M1) https://docs.docker.com/desktop/mac/apple-silicon/

Have you managed to resolve the issue and execute the dll?