Ported image generation script to bash

Author: GoldraK

build.sh

@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+#
+# Monkey365 - the PowerShell Cloud Security Tool for Azure and Microsoft 365 (copyright 2022) by Juan Garrido
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# Monkey365 – Docker Image Build and Tagging Script
+# Adapted from build.ps1 (PowerShell) to Bash
+# Author: Juan Garrido (original) (bash adaptation by goldrak)
+
+
+set -euo pipefail
+
+NAME="monkey365"
+VERSION="latest"
+DOCKERFILE=""
+
+usage() {
+  cat <<EOF
+Use: $0 [Options]
+
+Options:
+    -n, --name Name of the Docker image (default: $NAME)
+    -v, --version Image label (default: $VERSION)
+    -p, --path Path to the Dockerfile (required)
+    -h, --help Show this help and exit
+
+Example:
+  $0 -n monkey365 -v latest -p ./docker/Dockerfile_linux
+EOF
+  exit 1
+}
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -n|--name)
+      NAME="$2"; shift 2;;
+    -v|--version)
+      VERSION="$2"; shift 2;;
+    -p|--path)
+      DOCKERFILE="$2"; shift 2;;
+    -h|--help)
+      usage;;
+    *)
+      echo "Unknown option: $1"
+      usage;;
+  esac
+done
+
+if [[ -z "$DOCKERFILE" ]]; then
+  echo "Error: You must specify the path to the Dockerfile with -p or --path."
+  usage
+fi
+
+if [[ ! -f "$DOCKERFILE" ]]; then
+  echo "Error: Dockerfile does not exist in '$DOCKERFILE'."
+  exit 1
+fi
+
+BUILD_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+
+TAG="${NAME}:${VERSION}"
+
+echo "Building Dockerfile using file '${DOCKERFILE}' and tag '${TAG}'"
+
+docker build \
+  --rm \
+  -f "$DOCKERFILE" \
+  -t "$TAG" \
+  --build-arg VERSION="$VERSION" \
+  --build-arg VCS_URL="https://github.com/silverhack/monkey365" \
+  --build-arg BUILD_DATE="$BUILD_DATE" \
+  .
+