feat: multi arch docker image and arm support

Author: jacobtread

Dockerfile

@@ -1,28 +1,34 @@
-# Docker image using pre-compiled binaries for pocket-relay
 FROM alpine
 
 # Version listed on github
 ARG GITHUB_RELEASE_VERSION
+ARG TARGETARCH
 
-RUN apk update && apk upgrade
-RUN apk add curl
-
-# Set the working directory
+# Setup working directory
 WORKDIR /app
 
-# Download server executable
-RUN curl -LJ -o pocket-relay-linux https://github.com/PocketRelay/Server/releases/download/v${GITHUB_RELEASE_VERSION}/pocket-relay-linux?v=1
+# Install necessary tools
+RUN apk update && apk upgrade
+RUN apk add curl
 
-# Make the server executable
-RUN chmod +x ./pocket-relay-linux
+# Determine binary based on arch
+RUN if [ "$TARGETARCH" = "amd64" ]; then \
+    BINARY="pocket-relay-x86_64-linux-musl"; \
+    elif [ "$TARGETARCH" = "arm64" ]; then \
+    BINARY="pocket-relay-aarch64-linux-musl"; \
+    else \
+    echo "Unsupported architecture: $TARGETARCH" && exit 1; \
+    fi && \
+    # Download pocket-relay binary
+    curl -L -o pocket-relay https://github.com/PocketRelay/Server/releases/download/v${GITHUB_RELEASE_VERSION}/$BINARY && \
+    # Make binary executable
+    chmod +x pocket-relay
 
 # Volume for storing database file data
 VOLUME /app/data
 
-# Expore app port
+# Expose app port
 EXPOSE 80
 EXPOSE 9032/udp
 
-CMD ["/app/pocket-relay-linux"]
-
-
+CMD ["/app/pocket-relay"]

Makefile.toml

@@ -54,7 +54,10 @@ run_task = [
 condition = { env_set = ["DOCKER_IMAGE_TAG", "GITHUB_RELEASE_VERSION"] }
 command = "docker"
 args = [
+    "buildx",
     "build",
+    "--platform",
+    "linux/amd64,linux/arm64",
     ".",
     "-t",
     "${DOCKER_IMAGE_TAG}",
@@ -81,7 +84,6 @@ run_task = [
     ], parallel = true },
 ]
 
-
 # ---- Pushing docker tags ----
 
 # Publishes the docker image using the DOCKER_IMAGE_TAG tag
@@ -93,7 +95,6 @@ command = "docker"
 args = ["push", "${DOCKER_IMAGE_TAG}"]
 dependencies = ["build-docker"]
 
-
 # Publish the docker image using a tag created from the verson in Cargo.toml
 [tasks.publish-docker-version]
 condition = { env_set = [