Added VSCode devcontainer.

- Uses newer FEFLOW packages
- In VSCode use command "Reopen in container"
- Open terminal
- Run `source .venv-devcontainer/bin/activate`
- Develop as usual

.devcontainer/Dockerfile

+FROM mcr.microsoft.com/devcontainers/python:3.9-bookworm
+
+# FEFLOW, instructions from https://download.feflow.com/download/FEFLOW/linux/
+ENV \
+    # Adapt when changing base image:
+    DIST_DIR=ub2204x64
+RUN apt-get update \
+    && apt-get install -yq --no-install-recommends gpg curl ca-certificates \
+    && curl -fsSL https://download.feflow.com/download/FEFLOW/linux/dhi-feflow-key.asc | gpg --dearmor | sudo tee /usr/share/keyrings/feflow.gpg > /dev/null \
+    && echo "deb [arch=amd64 signed-by=/usr/share/keyrings/feflow.gpg] https://download.feflow.com/download/FEFLOW/linux/apt-repo/$DIST_DIR stable main" | sudo tee /etc/apt/sources.list.d/feflow.stable.list \
+    && apt-get update \
+    && apt list | grep feflow  \
+    && apt-get install -yq --no-install-recommends feflow-ifm-devel feflow-python80 \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+ENV \
+    PYTHONPATH=/opt/feflow/8.0/python \
+    LD_LIBRARY_PATH=/opt/feflow/8.0/lib64:/opt/feflow/common/qt/lib64:/opt/feflow/common/lib64 \
+    FEFLOW80_ROOT=/opt/feflow/8.0

.devcontainer/devcontainer.json

+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/python
+{
+  "name": "ogstools with FEFLOW",
+  // More info: https://containers.dev/guide/dockerfile
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  "features": {
+    "ghcr.io/devcontainers/features/git-lfs:1": {}
+  },
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+  "postCreateCommand": "make setup_devcontainer"
+  // Configure tool-specific properties.
+  // "customizations": {}
+}

.gitignore

@@ -126,7 +126,7 @@ celerybeat.pid
 
 # Environments
 .env
-.venv
+.venv*
 env/
 venv/
 ENV/

Makefile

@@ -16,6 +16,16 @@ setup_headless:  ## Install vtk-osmesa and gmsh without X11 dependencies
 	.venv/bin/pip install --extra-index-url https://wheels.vtk.org vtk-osmesa
 	.venv/bin/pip install -i https://gmsh.info/python-packages-dev-nox gmsh
 
+setup_devcontainer:
+	python -m venv .venv-devcontainer --upgrade-deps
+	.venv-devcontainer/bin/pip install -e .[dev,test,docs,feflow]
+	.venv-devcontainer/bin/pip uninstall gmsh vtk -y
+	.venv-devcontainer/bin/pip install --extra-index-url https://wheels.vtk.org vtk-osmesa
+	.venv-devcontainer/bin/pip install -i https://gmsh.info/python-packages-dev-nox gmsh
+	@echo
+	@echo ATTENTION: You need to activate the virtual environment in every shell with:
+	@echo source .venv-devcontainer/bin/activate
+
 test:  ## Runs the unit tests
 	pytest