Add support Codespaces

.devcontainer/Dockerfile

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+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.195.0/containers/go/.devcontainer/base.Dockerfile
+# [Choice] Go version (use -bullseye variants on local arm64/Apple Silicon): 1, 1.16, 1.17, 1-bullseye, 1.16-bullseye, 1.17-bullseye, 1-buster, 1.16-buster, 1.17-buster
+ARG VARIANT=1-bullseye
+FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
+
+# [Choice] Node.js version: lts/*, 16, 14, 12, 10
+# ARG NODE_VERSION="lts/*"
+# RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c ". /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+
+# [Optional] Uncomment this section to install additional OS packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends \
+        git \
+        tor \
+        ffmpeg \
+        chromium \
+        youtube-dl \
+        webp \
+        fonts-freefont-ttf \
+        fonts-font-awesome \
+        fonts-noto \
+        fonts-noto-core \
+        fonts-noto-cjk \
+        fonts-noto-extra
+
+# [Optional] Uncomment the next line to use go get to install anything else you need
+# RUN go get -x <your-dependency-or-tool>
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.195.0/containers/go
+{
+	"name": "Go",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			// Update the VARIANT arg to pick a version of Go: 1, 1.16, 1.17
+			// Append -bullseye or -buster to pin to an OS version.
+			// Use -bullseye variants on local arm64/Apple Silicon.
+			"VARIANT": "1.18-bullseye",
+			// Options
+			"NODE_VERSION": "lts/*"
+		}
+	},
+	"runArgs": [
+		"--cap-add=SYS_PTRACE",
+		"--security-opt",
+		"seccomp=unconfined"
+	],
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			// Set *default* container specific settings.json values on container create.
+			"settings": {
+				"go.toolsManagement.checkForUpdates": "local",
+				"go.useLanguageServer": true,
+				"go.gopath": "/go",
+				"go.goroot": "/usr/local/go",
+				"go.toolsGopath": "/go/bin",
+				"go.formatTool": "goimports",
+				"go.lintOnSave": "package",
+				"go.lintTool": "golangci-lint",
+				"editor.formatOnSave": true
+			},
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"golang.Go"
+			]
+		}
+	},
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [
+		8964
+	],
+	// Use 'portsAttributes' to set default properties for specific forwarded ports. More info: https://code.visualstudio.com/docs/remote/devcontainerjson-reference.
+	"portsAttributes": {
+		"8964": {
+			"label": "Hello Remote World",
+			"onAutoForward": "notify"
+		}
+	},
+	// Use 'otherPortsAttributes' to configure any ports that aren't configured using 'portsAttributes'.
+	// "otherPortsAttributes": {
+	// 		"onAutoForward": "silent"
+	// },
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "go version",
+	// Uncomment to connect as a non-root user. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"remoteEnv": {
+		"DEBUG": true,
+		"LOG_TIME": true,
+		"WAYBACK_STORAGE_DIR": "/tmp/reduxer"
+	}
+}