Container based developer flow

.dockerignore

@@ -0,0 +1,4 @@
+/.dev
+/dist
+/lib
+/node_modules

.github/CONTRIBUTING.md

@@ -7,10 +7,11 @@ Contributions to this project are [released](https://help.github.com/articles/gi
 ## Submitting a pull request
 
 1. [Fork](https://github.com/crazy-max/ghaction-github-pages/fork) and clone the repository
-2. Configure and install the dependencies: `yarn install`
-4. Create a new branch: `git checkout -b my-branch-name`
-5. Make your change
-6. Run pre-checkin: `yarn run pre-checkin`
+2. Configure and install the dependencies locally: `yarn install`
+3. Create a new branch: `git checkout -b my-branch-name`
+4. Make your changes
+5. Format code and build javascript artifacts: `docker buildx bake pre-checkin`
+6. Validate all code has correctly formatted and built: `docker buildx bake validate`
 7. Push to your fork and [submit a pull request](https://github.com/crazy-max/ghaction-github-pages/compare)
 8. Pat your self on the back and wait for your pull request to be reviewed and merged.
 

.github/workflows/ci.yml

@@ -5,8 +5,8 @@ on:
     - cron: '0 10 * * *' # everyday at 10am
   push:
     branches:
-      - dev
-      - releases/v*
+      - 'dev'
+      - 'releases/v*'
 
 jobs:
   ci:

.github/workflows/validate.yml

@@ -0,0 +1,25 @@
+name: validate
+
+on:
+  push:
+    branches:
+      - 'dev'
+      - 'releases/v*'
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    branches:
+      - 'dev'
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Validate
+        run: docker buildx bake validate

Dockerfile.dev

@@ -0,0 +1,41 @@
+#syntax=docker/dockerfile:1.2
+
+FROM node:12 AS deps
+WORKDIR /src
+COPY package.json yarn.lock ./
+RUN --mount=type=cache,target=/src/node_modules \
+  yarn install
+
+FROM scratch AS update-yarn
+COPY --from=deps /src/yarn.lock /
+
+FROM deps AS validate-yarn
+COPY .git .git
+RUN status=$(git status --porcelain -- yarn.lock); if [ -n "$status" ]; then echo $status; exit 1; fi
+
+FROM deps AS base
+COPY . .
+
+FROM base AS build
+RUN --mount=type=cache,target=/src/node_modules \
+  yarn build
+
+FROM base AS run-format
+RUN --mount=type=cache,target=/src/node_modules \
+  yarn run format
+
+FROM scratch AS format
+COPY --from=run-format /src/src/*.ts /src/
+
+FROM base AS validate-format
+RUN --mount=type=cache,target=/src/node_modules \
+  yarn run format-check
+
+FROM scratch AS dist
+COPY --from=build /src/dist/ /dist/
+
+FROM build AS validate-build
+RUN status=$(git status --porcelain -- dist); if [ -n "$status" ]; then echo $status; exit 1; fi
+
+FROM base AS dev
+ENTRYPOINT ["bash"]

docker-bake.hcl

@@ -0,0 +1,52 @@
+variable "GITHUB_REPOSITORY" {
+  default = "crazy-max/ghaction-github-pages"
+}
+
+group "default" {
+  targets = ["build"]
+}
+
+group "pre-checkin" {
+  targets = ["update-yarn", "format", "build"]
+}
+
+group "validate" {
+  targets = ["validate-format", "validate-build", "validate-yarn"]
+}
+
+target "dockerfile" {
+  dockerfile = "Dockerfile.dev"
+}
+
+target "update-yarn" {
+  inherits = ["dockerfile"]
+  target = "update-yarn"
+  output = ["."]
+}
+
+target "build" {
+  inherits = ["dockerfile"]
+  target = "dist"
+  output = ["."]
+}
+
+target "format" {
+  inherits = ["dockerfile"]
+  target = "format"
+  output = ["."]
+}
+
+target "validate-format" {
+  inherits = ["dockerfile"]
+  target = "validate-format"
+}
+
+target "validate-build" {
+  inherits = ["dockerfile"]
+  target = "validate-build"
+}
+
+target "validate-yarn" {
+  inherits = ["dockerfile"]
+  target = "validate-yarn"
+}