feat(ci): publish latest and nightly docker images

.github/workflows/cd.yaml

@@ -6,10 +6,36 @@ on:
 jobs:
   cd:
     runs-on: ubuntu-latest
+    id: release
     steps:
       - uses: actions/checkout@v2
       - uses: GoogleCloudPlatform/release-please-action@v1.3.2
         with:
-          token: ${{ secrets.JEFBOT_PAT }}
+          token: ${{ secrets.GITHUB_TOKEN }}
           release-type: simple
           package-name: audit-org-keys
+      - uses: actions/checkout@v2
+      - name: get and set semver
+        run: echo "::set-env name=SEMVER::$(echo version.txt)"
+      - name: login into github package registry
+        run: docker login "docker.pkg.github.com" -u "$GITHUB_ACTOR" -p "$GITHUB_TOKEN"
+      - name: build nightly docker image
+        if: ${{ ! steps.release.outputs.release_created }}
+        run: |
+          docker build \
+          -t "docker.pkg.github.com/${GITHUB_REPOSITORY}/audit-org-keys:${GITHUB_SHA:0:7}" \
+          -t "docker.pkg.github.com/${GITHUB_REPOSITORY}/audit-org-keys:nightly" \
+          .
+      - name: publish nightly
+        if: ${{ ! steps.release.outputs.release_created }}
+        run: docker push "docker.pkg.github.com/${GITHUB_REPOSITORY}/audit-org-keys"
+      - name: build latest docker image
+        if: ${{ steps.release.outputs.release_created }}
+        run: |
+          docker build \
+          -t "docker.pkg.github.com/${GITHUB_REPOSITORY}/audit-org-keys:$SEMVER" \
+          -t "docker.pkg.github.com/${GITHUB_REPOSITORY}/audit-org-keys:latest" \
+          .
+      - name: publish latest
+        if: ${{ steps.release.outputs.release_created }}
+        run: docker push "docker.pkg.github.com/${GITHUB_REPOSITORY}/audit-org-keys"

.github/workflows/ci.yaml

@@ -4,7 +4,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
           go-version: '1.14'
@@ -16,10 +16,16 @@ jobs:
             ${{ runner.os }}-go-
       - name: Build
         run: CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w"
+  build-docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: build docker image
+        run: docker build .
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
           go-version: '1.14'

README.md

@@ -6,11 +6,31 @@ Programs like `ssh2john` from **John the Ripper** can best demonstrate how fast
 
 ## Getting started
 
-### Requirements
+### Releases
+
+| Tag | Description | 
+|:---:|---|
+| `latest` | Built against tagged releases; stable
+| `nightly` | Built against HEAD; generally considered stable, but could have problems |
+
+```
+docker pull docker.pkg.github.com/jef/audit-org-keys/audit-org-keys:<tag>
+
+docker run --rm -it \
+    --env "GITHUB_ORGANIZATION=$GITHUB_ORGANIZATION" \
+    --env "GITHUB_PAT=$GITHUB_PAT" \
+    audit-org-keys:<tag>
+```
+
+> :point_right: View [Available arguments](#available-arguments) and [Available environment variables](#available-environment-variables) below if you'd like to customize input and output
+
+### Development
+
+#### Requirements
 
 - Go 1.14+ or Docker
 
-### Running
+#### Running
 
 ```sh
 export GITHUB_ORGANIZATION=actions
@@ -24,25 +44,25 @@ go build
 ./audit-org-keys -show-users=multiple
 
 # Docker
-docker build -t audit-org-keys:local .
+docker build -t audit-org-keys:localhost .
 
 docker run --rm -it \
     --env "GITHUB_ORGANIZATION=$GITHUB_ORGANIZATION" \
     --env "GITHUB_PAT=$GITHUB_PAT" \
-    audit-org-keys:local
+    audit-org-keys:localhost
 
 # show users without keys
 docker run --rm -it \
     --env "GITHUB_ORGANIZATION=$GITHUB_ORGANIZATION" \
     --env "GITHUB_PAT=$GITHUB_PAT" \
-    audit-org-keys:local -show-users=without
+    audit-org-keys:localhost -show-users=without
 ```
 
-#### Available arguments
+##### Available arguments
 
 - `-show-users=<filter>`: display users with filter (`all`, `with`, `without`, `multiple`)
 
-#### Available environment variables
+##### Available environment variables
 
 - `GITHUB_ORGANIZATION`*: The organization under audit
 - `GITHUB_PAT`*: GitHub Personal Access Token