Dockerfile arm architecture #1892

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2021-12-01T08:27:49+01:00

PeterSurda commented

2021-12-01 08:27:49 +01:00

(Migrated from github.com)

The buildscripts/docker/Dockerfile.bionic doesn't work on arm architecture (Apple M1, Raspberry Pi, ...).

The `buildscripts/docker/Dockerfile.bionic` doesn't work on arm architecture (Apple M1, Raspberry Pi, ...).

PeterSurda commented

2021-12-09 05:05:16 +01:00

(Migrated from github.com)

Update on how to deal with this:

it helps if you use BuildKit for building. You can enable it by export DOCKER_BUILDKIT=1 before running docker build
if BuildKit is enabled, add a new line with ARG TARGETARCH just after the top FROM
if BuildKit isn't enabled, you need to add the TARGETARCH argument into the command line when executing the command line manually
then the $TARGETARCH argument in the rest of the Dockerfile can be used to distinguish between amd64 and arm64. I haven't tested other platforms.
since Dockerfile syntax doesn't support branching, the way I found to do this is to have a per-architecture stage, for example

# default
ARG TARGETARCH=amd64

# Intel and AMD
FROM base AS deps-amd64
RUN apt install bla bla

# ARM
FROM base AS deps-arm64
RUN apt install bla bla

# next stage
FROM deps-$TARGETARCH AS travis
RUN blabla

Update on how to deal with this: - it helps if you use BuildKit for building. You can enable it by `export DOCKER_BUILDKIT=1` before running `docker build` - if BuildKit is enabled, add a new line with `ARG TARGETARCH` just after the top `FROM` - if BuildKit isn't enabled, you need to add the `TARGETARCH` argument into the command line when executing the command line manually - then the `$TARGETARCH `argument in the rest of the Dockerfile can be used to distinguish between `amd64` and `arm64`. I haven't tested other platforms. - since `Dockerfile` syntax doesn't support branching, the way I found to do this is to have a per-architecture stage, for example ``` # default ARG TARGETARCH=amd64 # Intel and AMD FROM base AS deps-amd64 RUN apt install bla bla # ARM FROM base AS deps-arm64 RUN apt install bla bla # next stage FROM deps-$TARGETARCH AS travis RUN blabla ```

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Reference: Bitmessage/PyBitmessage-2025-02-28#1892