Fixing dockerfile

entrypoint.sh

@@ -1,28 +1,45 @@
-#!/bin/sh -l
+#!/usr/bin/env bash
 
-IMAGE_NAME="$(echo "$INPUT_IMAGE_PREFIX" | sed 's/^https\?:\/\///')$INPUT_IMAGE_NAME"
+set -e
 
-echo "::notice file=entrypoint.sh,line=7::$IMAGE_NAME"
+# shellcheck disable=SC2155
+export LOWERCASE_INPUT_IMAGE_PREFIX="$(echo "$INPUT_IMAGE_PREFIX" | tr '[:upper:]' '[:lower:]')"
+IMAGE_NAME="$(echo "$LOWERCASE_INPUT_IMAGE_PREFIX" | sed 's/^https\?:\/\///')$INPUT_IMAGE_NAME"
+env
+if [ -n "$DOCKER_CONFIG_BASE64" ]; then
+  echo "Retrieving docker config"
+  mkdir "$HOME/.docker/"
+  echo "$DOCKER_CONFIG_BASE64" | base64 -d > "$HOME/.docker/config.json"
+fi;
+
+echo "Full image name: $IMAGE_NAME"
 
 if [ -z "$INPUT_IMAGE_NAME" ]; then
   echo "No image name given."
   exit 1
 fi;
 
-if [ "$INPUT_PUSH" = "true" ]; then
-  DOCKER_BUILD_OPTIONS="${DOCKER_BUILD_OPTIONS} --push"
+DOCKER_BUILD_OPTIONS=("--progress" "plain" "-t" "$IMAGE_NAME")
+
+if [ -n "$INPUT_PLATFORM" ]; then
+  DOCKER_BUILD_OPTIONS+=("--platform" "$INPUT_PLATFORM")
+fi
+
+if [ "$INPUT_PUSH_IMAGE" = "true" ]; then
+  DOCKER_BUILD_OPTIONS+=("--push")
 fi
 
 if [ "$INPUT_PULL_CACHE" = "true" ]; then
-  # shellcheck disable=SC2089
-  DOCKER_BUILD_OPTIONS="${DOCKER_BUILD_OPTIONS} --cache-from \"$IMAGE_NAME\""
+  DOCKER_BUILD_OPTIONS+=("--cache-from" "$IMAGE_NAME")
   echo "Pulling for cache"
-  docker pull "$1" || echo "No image found."
+  docker pull "$IMAGE_NAME" || echo "Unable to find an image to pull."
 fi
 
+# shellcheck disable=SC2145
+echo "Running docker buildx with options: ${DOCKER_BUILD_OPTIONS[@]}"
+
 echo "Building and pushing !"
-# shellcheck disable=SC2090
-docker buildx build ${DOCKER_BUILD_OPTIONS} -t "$IMAGE_NAME" --progress plain
+docker buildx build DOCKER_BUILD_OPTIONS[@] "${INPUT_DOCKERFILE_PATH}"
 
 echo "imageName=${IMAGE_NAME}" >>"$GITEA_OUTPUT"