embracing devcontainers

.devcontainer/devcontainer.json

@@ -0,0 +1,25 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.191.0/containers/docker-existing-dockerfile
+{
+	"name": "DockerDev",
+	// Sets the run context to one level up instead of the .devcontainer folder.
+	"context": "..",
+	// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
+	"dockerFile": "../DockerDev",
+	// Set *default* container specific settings.json values on container create.
+	"settings": {},
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"ms-python.python"
+	]
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+	// Uncomment the next line to run commands after the container is created - for example installing curl.
+	// "postCreateCommand": "apt-get update && apt-get install -y curl",
+	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
+	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+	// Uncomment to use the Docker CLI from inside the container. See https://aka.ms/vscode-remote/samples/docker-from-docker.
+	// "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
+	// Uncomment to connect as a non-root user if you've added one. See https://aka.ms/vscode-remote/containers/non-root.
+	// "remoteUser": "vscode"
+}

.gitignore

@@ -1,3 +1 @@
-__pycache__/
+__pycache__
-.vscode
-.devcontainer

.vscode/settings.json

@@ -0,0 +1,20 @@
+{
+    "workbench.iconTheme": "vscode-icons",
+    "editor.suggestSelection": "first",
+    "vsintellicode.modify.editor.suggestSelection": "automaticallyOverrodeDefaultValue",
+    "python.languageServer": "Pylance",
+    "git.autofetch": true,
+    "editor.formatOnSave": true,
+    "files.associations": {
+        "DockerDev": "dockerfile",
+    },
+    "workbench.colorTheme": "One Dark Pro",
+    "explorer.confirmDelete": false,
+    "editor.fontFamily": "JetBrains Mono",
+    "editor.letterSpacing": 1.2,
+    "editor.fontLigatures": true,
+    "editor.wordWrap": "on",
+    "python.formatting.provider": "black",
+    "python.showStartPage": false,
+    "editor.fontSize": 13,
+}

DockerDev

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+FROM python:3.9-buster
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir black
+COPY . .
+