Fix: Drop support for linux/arm/v5

Author: bokysan

.github/workflows/master.yml

@@ -290,7 +290,7 @@ jobs:
           #   Caused by: Cargo build finished with "exit status: 101": `env -u CARGO PYO3_BUILD_EXTENSION_MODULE="1" PYO3_ENVIRONMENT_SIGNATURE="cpython-3.13-64bit" PYO3_PYTHON="/sasl/bin/python3" PYTHON_SYS_EXECUTABLE="/sasl/bin/python3" "cargo" "rustc" "--profile" "release" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-bpvyezx3/cryptography_9e845f0e69e14411a204415c1ca278ca/src/rust/Cargo.toml" "--lib"`
           # Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/sasl/bin/python3', '--compatibility', 'off'] returned non-zero exit status 1
           # [end of output]
-          platforms: "linux/386,linux/arm/v5,linux/arm/v7,linux/arm64/v8,linux/amd64,linux/arm64,linux/s390x"
+          platforms: "linux/386,linux/arm/v7,linux/arm64/v8,linux/amd64,linux/arm64,linux/s390x"
           cache-from: type=local,src=/tmp/.buildx-cache/debian,mode=max,compression=estargz
           cache-to: type=local,dest=/tmp/.buildx-cache-new/debian
           build-args: |

.github/workflows/tags.yml

@@ -253,7 +253,7 @@ jobs:
             boky/postfix:${{ env.RELEASE_VERSION_NO_v }}
             boky/postfix:${{ env.RELEASE_VERSION }}-debian
             boky/postfix:${{ env.RELEASE_VERSION_NO_v }}-debian
-          platforms: "linux/386,linux/arm/v5,linux/arm/v7,linux/arm64/v8,linux/amd64,linux/arm64,linux/ppc64le,linux/s390x"
+          platforms: "linux/386,linux/arm/v7,linux/arm64/v8,linux/amd64,linux/arm64,linux/ppc64le,linux/s390x"
           cache-from: type=local,src=/tmp/.buildx-cache/debian,mode=max,compression=estargz
           cache-to: type=local,dest=/tmp/.buildx-cache-new/debian
           build-args: |

README.md

@@ -125,7 +125,8 @@ by ISPs, already occupied by other services, and in general should only be used
 ### v5.0.0
 
 Image has been updated to [Debian Trixie](https://www.debian.org/releases/trixie/) and with that `linux/mips64le` is gone. To prevent
-failures during upgrade, major version has been bumped. New versions of go do not provide images for `linux/arm/v5` either, so building of `postfix-exporter` for this platform is gone as well.
+failures during upgrade, major version has been bumped. New versions of go do not provide images for `linux/arm/v5` and it's not really
+supported that wall on Debian any more, so this architecture is dropped as well.
 
 Several other fixes went into this release as well.
 
@@ -147,7 +148,7 @@ Several potentially "surprising" changes went into this issue and hence warrant
   third-party project. Checkout is from master branch, based
   on specific SHA commit id. The same hash is used for master and tags.
 - **Architecture galore!** With the addition of debian images, we now support support more architectures than ever. The list includes:
-  `linux/386`, `linux/arm/v5`, `linux/arm/v7`, `linux/arm64/v8`, `linux/amd64`, `linux/arm64`, `linux/s390x`, `linux/riscv64`.
+  `linux/386`, `linux/arm/v7`, `linux/arm64/v8`, `linux/amd64`, `linux/arm64`, `linux/s390x`.
 - **`smtpd_tls_security_level` is now set to `may`**. If you encounter
   issues, try setting it to `none` explicitly (see [#160](https://github.com/bokysan/docker-postfix/issues/160)).