Spruce up devcontainer

.devcontainer/Dockerfile

@@ -5,22 +5,58 @@ ARG USERNAME=builder
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID
 
-FROM ${BASE_IMAGE}
 
-ENV DEBIAN_FRONTENT=noninteractive
+FROM ${BASE_IMAGE} AS packages
 
-RUN apt-get update && apt-get upgrade -y && apt-get install libffi-dev
+ENV DEBIAN_FRONTEND=noninteractive
 
-ARG GO_URL USERNAME USER_UID USER_GID
+RUN apt-get update && apt-get upgrade -y && apt-get install -y \
+  build-essential clang-format gdb libffi-dev valgrind \
+  curl ca-certificates gnupg2 tar g++ gcc libc6-dev make pkg-config
+
+
+FROM packages AS go_install
+
+ARG GO_URL
 
 ADD ${GO_URL} /usr/src/go.tar.gz
 
 RUN tar -C /opt -xvf /usr/src/go.tar.gz
 
+
+FROM packages AS builder
+
+COPY --from=go_install /opt/go/ /opt/go/
 ENV PATH=/opt/go/bin:$PATH
 
+ARG USERNAME USER_UID USER_GID
+
 RUN groupadd -g ${USER_GID} ${USERNAME} && useradd -m -u ${USER_UID} -g ${USERNAME} -s /bin/bash ${USERNAME}
 
 USER ${USERNAME}
 WORKDIR /home/${USERNAME}
-ENV USER=${USERNAME} SHELL=/bin/bash
+ENV USER=${USERNAME} SHELL=/bin/bash GOPATH=/home/${USERNAME}/go
+
+
+FROM builder AS go_tools
+
+RUN go install golang.org/x/tools/gopls@latest
+RUN go install github.com/go-delve/delve/cmd/dlv@latest
+RUN go install github.com/ramya-rao-a/go-outline@latest
+RUN go install github.com/josharian/impl@latest
+RUN go install github.com/fatih/gomodifytags@latest
+RUN go install github.com/haya14busa/goplay/cmd/goplay@latest
+RUN go install github.com/cweill/gotests/...@latest
+RUN go install honnef.co/go/tools/cmd/staticcheck@latest
+RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.45.2
+
+
+FROM builder AS devcontainer
+
+ARG USERNAME
+
+COPY --from=go_tools /home/${USERNAME}/go/bin/ /home/${USERNAME}/go/bin
+
+RUN python3.10 -m pip install --user black isort tox
+
+ENV PATH=/home/${USERNAME}/go/bin:/home/${USERNAME}/.local/bin:$PATH

.devcontainer/devcontainer.json

@@ -10,13 +10,20 @@
 				"path": "/bin/bash"
 			}
 		},
-    "python.defaultInterpreterPath": "/opt/python/cp36-cp36/bin/python3",
+    "python.defaultInterpreterPath": "/opt/python/cp310-cp310/bin/python3",
+    "go.toolsEnvVars": {
+      "CGO_CFLAGS": "-I/opt/python/cp310-cp310/include/python3.10",
+      "CGO_LDFLAGS": "-Wl,--unresolved-symbols=ignore-all"
+    },
+    "C_Cpp.default.includePath": ["/opt/python/cp310-cp310/include/python3.10"]
   },
 	"extensions": [
     "bierner.github-markdown-preview",
     "eamodio.gitlens",
+    "golang.go",
 		"ms-python.python",
 		"ms-python.vscode-pylance",
+    "ms-vscode.cpptools",
     "oderwat.indent-rainbow",
 	],
 }

pyproject.toml

@@ -0,0 +1,3 @@
+[tool.isort]
+profile = "black"
+lines_between_types = 1

setup.cfg

@@ -11,3 +11,7 @@ python =
 [testenv]
 deps = -r development.txt
 commands = pytest -v
+
+[flake8]
+max-line-length = 180
+extend-ignore = E203, W503