Merge pull request #58 from tugraskan/ugs_codespace

Approving the pull request which introduces several updates that allow a user to launch a prebuilt Codespace with minimal configuration.

Author: NataljaC

.devcontainer/Dockerfile

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+# Use the official Ubuntu Jammy-based Dev Container image as a starting point
+FROM mcr.microsoft.com/devcontainers/base:jammy
+
+# 1. Install dependencies needed to add Intel’s repo, install CMake, gfortran, and GDB
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        wget \
+        gpg \
+        lsb-release \
+        apt-transport-https \
+        ca-certificates \
+        cmake \
+        gdb \
+        gfortran \
+        && rm -rf /var/lib/apt/lists/*
+
+# 2. Add Intel’s GPG key and repository for oneAPI
+RUN wget -O- https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB \
+    | gpg --dearmor \
+    | tee /usr/share/keyrings/oneapi-archive-keyring.gpg > /dev/null
+
+RUN echo "deb [signed-by=/usr/share/keyrings/oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main" \
+    > /etc/apt/sources.list.d/oneAPI.list
+
+# 3. Install Intel oneAPI Fortran Compiler
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        intel-oneapi-compiler-fortran \
+        && rm -rf /var/lib/apt/lists/*
+
+# 4. Source Intel’s setvars script automatically for all users
+#    (In a dev container, /etc/bash.bashrc is typically read by non-login shells)
+RUN echo "source /opt/intel/oneapi/setvars.sh" >> /etc/bash.bashrc
+
+# 5. Prepend ifx path to the global PATH environment
+ENV PATH=/opt/intel/oneapi/compiler/2025.0/bin:$PATH
+ENV LD_LIBRARY_PATH=/opt/intel/oneapi/compiler/2025.0/lib:$LD_LIBRARY_PATH
+
+# That’s it! The container now has ifx + CMake installed and configured.

.devcontainer/devcontainer.json

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+// .devcontainer/devcontainer.json
+{
+	"name": "Intel Fortran Dev Container",
+	// 1. Build our custom Dockerfile
+	"build": {
+	  "dockerfile": "Dockerfile"
+	},
+	"postCreateCommand": "mkdir -p /workspaces/data_test && cp -r /workspaces/*/data/Ames_sub1 /workspaces/data_test/",
+	// 2. VS Code customizations
+	"customizations": {
+	  "vscode": {
+		// 2A. Install relevant extensions automatically
+		"extensions": [
+		  "ms-vscode.cmake-tools",
+		  "fortran-lang.linter-gfortran",
+		  "ms-vscode.cpptools",
+		  "mhutchie.git-graph",
+		  "GitHub.remotehub"
+		],
+		// 2B. VS Code settings for CMake + ifx
+		"settings": {
+		  "cmake.cmakePath": "/usr/bin/cmake",
+		  "cmake.configureSettings": {
+			// If you want to always use ifx in your CMake configs
+			"CMAKE_Fortran_COMPILER": "ifx"
+		  },
+		  "cmake.environment": {
+			// Additional environment variables for Fortran
+			"FC": "ifx",
+			// Not strictly needed if your Dockerfile sets PATH/LD_LIBRARY_PATH
+			"PATH": "/opt/intel/oneapi/compiler/2025.0/bin:${env:PATH}",
+			"LD_LIBRARY_PATH": "/opt/intel/oneapi/compiler/2025.0/lib:${env:LD_LIBRARY_PATH}"
+		  }
+		}
+	  }
+	}
+  }