Use latest version and fix release file name in Dockerfile.template

Change-type: patch
Co-authored-by: drskullster <[email protected]>
Signed-off-by: Rahul Thakoor <[email protected]>

Dockerfile.template

@@ -1,13 +1,36 @@
-FROM balenalib/%%BALENA_MACHINE_NAME%%-debian
+ARG BALENA_ARCH=%%BALENA_ARCH%%
+
+FROM balenalib/$BALENA_ARCH-debian
+ARG BALENA_ARCH=%%BALENA_ARCH%%
+
 
 RUN install_packages dnsmasq wireless-tools
 
+# use latest version. If specific version is required, it should be provided as vX.Y.Z, e.g v4.11.37
+ARG VERSION="latest"
+
 WORKDIR /usr/src/app
 
-ARG VERSION="4.4.0"
-RUN curl -Ls "https://github.com/balena-io/wifi-connect/releases/download/v$VERSION/wifi-connect-v$VERSION-linux-%%BALENA_ARCH%%.tar.gz" \
-  | tar -xvz -C  /usr/src/app/
+RUN \
+    export BASE_URL="https://github.com/balena-os/wifi-connect/releases" &&\    
+    case $BALENA_ARCH in \
+        "aarch64") \
+            BINARY_ARCH_NAME="aarch64-unknown-linux-gnu" ;; \
+        "amd64") \
+            BINARY_ARCH_NAME="x86_64-unknown-linux-gnu" ;;\
+        "armv7hf") \
+            BINARY_ARCH_NAME="armv7-unknown-linux-gnueabihf" ;;\
+        *) \
+            echo >&2 "error: unsupported architecture ($BALENA_ARCH)"; exit 1 ;; \ 
+    esac;\
+    if [ ${VERSION} = "latest" ]; then \
+        export URL_PARTIAL="latest/download" ; \
+    else \
+        export URL_PARTIAL="download/${VERSION}" ; \
+    fi; \
+    curl -Ls "$BASE_URL/$URL_PARTIAL/wifi-connect-$BINARY_ARCH_NAME.tar.gz" \
+    | tar -xvz -C  /usr/src/app/
 
 COPY scripts/start.sh .
 
-CMD ["bash", "start.sh"]
+CMD ["bash", "start.sh"]