Add Docker image build for ARMv7 (#84)

* add changes

* add docker image build for armv7

* add changes to changelog

* fix arch

* fix dpkg command

.github/workflows/cicd.yml

@@ -101,7 +101,7 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v3
         with:
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
           push: ${{ startsWith(github.ref, 'refs/tags/') }}
           cache-from: type=gha
           cache-to: type=gha,mode=max

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Build Docker image for ARMv7.
+
 ### Changed
 
 - Use rust:1.61 as base image for docker image.

Dockerfile

@@ -14,13 +14,19 @@ RUN echo "Setting variables for ${TARGETPLATFORM:=linux/amd64}" && \
     linux/arm64) \
     echo "aarch64-unknown-linux-gnu" | tee /tmp/rusttarget; \
     break;; \
+    linux/arm/v7) \
+    echo "armv7-unknown-linux-gnueabihf" | tee /tmp/rusttarget; \
+    break;; \
     *) echo "unsupported platform ${TARGETPLATFORM}";; \
     esac
 RUN rustup target add "$(cat /tmp/rusttarget)"
 
-RUN dpkg --add-architecture arm64 && apt-get update && \ 
+RUN dpkg --add-architecture arm64 &&\
+    dpkg --add-architecture armhf && \
+    apt-get update && \ 
     apt-get install -y pkg-config libssl-dev cmake g++ \
-    libssl-dev:arm64 gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
+    libssl-dev:arm64 gcc-aarch64-linux-gnu g++-aarch64-linux-gnu \
+    libssl-dev:armhf gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
 
 COPY .cargo ./.cargo
 COPY ./scripts/mangen.rs ./scripts/mangen.rs