adds .devcontainer/environment.yml in .devcontainer/Dockerfile #49

.devcontainer/Dockerfile

@@ -2,7 +2,7 @@ FROM mcr.microsoft.com/devcontainers/miniconda:0-3
 
 # Copy environment.yml (if found) to a temp location so we update the environment. Also
 # copy "noop.txt" so the COPY instruction does not fail if no environment.yml exists.
-COPY environment.yml* .devcontainer/noop.txt /tmp/conda-tmp/
+COPY .devcontainer/environment.yml* .devcontainer/noop.txt /tmp/conda-tmp/
 RUN if [ -f "/tmp/conda-tmp/environment.yml" ]; then umask 0002 && /opt/conda/bin/conda env update -n base -f /tmp/conda-tmp/environment.yml; fi \
     && rm -rf /tmp/conda-tmp
 

.devcontainer/environment.yml

@@ -0,0 +1,9 @@
+name: default
+channels:
+  - conda-forge
+  - default
+dependencies:
+  - python==3.9.*
+  - pip
+  - pip:
+    - opencv-python-headless

codespaces/README.md

@@ -7,6 +7,25 @@
 ### Create codespaces  
 1. Select branch
 2. Go to Code> create codespace on `branch-name` 
+3. `New with options`
+
+
+## predefined dev container configuration
+
+1. Access the Visual Studio Code Command Palette (Shift+Command+P / Ctrl+Shift+P), then start typing "add dev". 
+Click Codespaces: Add Dev Container Configuration Files.
+2. Create a new config file
+3. Select container conf template: Miniconda (Python3)
+4. Select additional feature `Nothing`
+
+
+Creates:  solid guacamole 
+In the terminal: 
+```
+conda info
+conda env list
+```
+
 
 ### Create python 
 1. `Install enable suggested extensions Python + Jupyter`
@@ -15,10 +34,14 @@
 4. pythonm 3.11
 
 
+
+
+
+
 ## References
 https://www.sckaiser.com/blog/2023/01/30/conda-codespaces.html  
 https://github.com/crazy4pi314/conda-devcontainer-demo  
 https://blog.shibayan.jp/entry/20220309/1646754054  
 https://www.youtube.com/watch?v=RIchFX_gYb0  
 https://github.com/microsoft/AI-For-Beginners/blob/main/.devcontainer/Dockerfile   
-
+* Prebuild configuration: https://github.com/mxochicale/code/settings/codespaces