WIP: Add devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,20 @@
+# Azure Functions CLI is only available for amd64 currently
+FROM mcr.microsoft.com/devcontainers/javascript-node:22-bullseye
+USER root
+ENV CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:/usr/local/share/nvm/current/bin:/usr/local/share/npm-global/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
+    RUSTUP_HOME=/usr/local/rustup
+RUN npm install -g --no-audit --no-fund azure-functions-core-tools@4
+RUN <<EOF
+set -eux
+ARCH=aarch64-unknown-linux-gnu
+curl --proto '=https' --tlsv1.2 --silent --show-error --fail --location "https://static.rust-lang.org/rustup/dist/${ARCH}/rustup-init" --output rustup-init
+chmod +x rustup-init
+./rustup-init -y --no-modify-path --profile minimal --default-host "${ARCH}"
+rm rustup-init
+chmod -R a+w $RUSTUP_HOME $CARGO_HOME
+rustup --version
+rustc --version
+cargo --version
+EOF
+ENTRYPOINT [ "/bin/sh" ]

.devcontainer/devcontainer.json

@@ -1,13 +1,14 @@
 {
-  "image": "mcr.microsoft.com/devcontainers/rust:1-bullseye",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "runArgs": [
+    "--platform=linux/amd64"
+  ],
   "features": {
     "ghcr.io/azure/azure-dev/azd:0": {},
     "ghcr.io/devcontainers/features/azure-cli:1": {
       "installBicep": true
-    },
-    "ghcr.io/devcontainers/features/dotnet:2": {},
-    "ghcr.io/jlaundry/devcontainer-features/azure-functions-core-tools:1": {
-      "version": "4"
     }
   },
   "customizations": {
@@ -16,8 +17,11 @@
         "ms-azuretools.vscode-azurefunctions",
         "rust-lang.rust-analyzer",
         "vadimcn.vscode-lldb"
-      ]
+      ],
+      "settings": {
+        "rust-analyzer.server.path": "/usr/local/cargo/bin/rust-analyzer"
+      }
     }
   },
   "postCreateCommand": "rustup install"
-}
+}

.vscode/tasks.json

@@ -6,7 +6,7 @@
       "label": "func: host start",
       "command": "host start",
       "dependsOn": [
-        "build"
+        "cargo: build"
       ],
       "problemMatcher": "$func-watch",
       "isBackground": true

Dockerfile

@@ -1,9 +1,10 @@
-FROM mcr.microsoft.com/devcontainers/rust:1-bullseye AS build
+# Build for amd64 hosts on Azure
+FROM --platform=amd64 mcr.microsoft.com/devcontainers/rust:1-bullseye AS build
 WORKDIR /usr/src/functions-quickstart-rust-azd
 COPY . .
 RUN cargo build --release
 
-FROM rust:1-slim-bullseye
+FROM --platform=amd64 rust:1-slim-bullseye
 COPY host.json /usr/local/bin/
 COPY hello/function.json /usr/local/bin/hello/
 COPY --from=build /usr/src/functions-quickstart-rust-azd/target/release/handler /usr/local/bin/