[Actions] Convert Format Pull Request Title Action to Docker

.github/workflows/_release.yml

@@ -25,6 +25,8 @@ jobs:
                         imageName: 'gh-action-json-diff-alert'
                     -   actionPath: 'actions/github/enrichPullRequest'
                         imageName: 'gh-action-enrich-pull-request'
+                    -   actionPath: 'actions/github/formatPullRequestTitle'
+                        imageName: 'gh-action-format-pull-request-title'
         uses: ./.github/workflows/_github_createAndReleaseActionDockerImage.yml
         with:
             actionPath: ${{ matrix.actionPath }}

actions/github/formatPullRequestTitle/Dockerfile

@@ -0,0 +1,41 @@
+FROM golang:1.24-alpine AS builder
+
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY main.go ./
+
+# Build the binary
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+# Final stage - minimal image
+FROM alpine:latest
+
+# Install ca-certificates for HTTPS requests
+RUN apk --no-cache add ca-certificates
+
+# Create a non-root user
+RUN addgroup -g 1001 -S appgroup && \
+    adduser -u 1001 -S appuser -G appgroup
+
+# Set working directory
+WORKDIR /app
+
+# Copy the binary from builder stage
+COPY --from=builder /app/main .
+
+# Set ownership and permissions
+RUN chown appuser:appgroup /app/main && \
+    chmod +x /app/main
+
+# Switch to non-root user
+USER appuser
+
+# Run the binary
+ENTRYPOINT ["/app/main"]

actions/github/formatPullRequestTitle/action.yml

@@ -25,89 +25,13 @@ inputs:
         required: false
         default: false
         type: boolean
-runs:
-    using: 'composite'
-    steps:
-        -   uses: actions/checkout@v4
-            with:
-                repository: ${{github.action_repository}}
-
-        -   name: Setup Go
-            if: ${{ inputs.useGo }}
-            uses: actions/setup-go@v5
-            with:
-                go-version: '>=1.24.1'
-                go-version-file: '${{github.action_path}}/go.mod'
-                cache: true
-                cache-dependency-path: '${{github.action_path}}/go.sum'
-
-        -   name: Generate Main Hash
-            id: mainHash
-            shell: bash
-            run: echo "hash=$(sha256sum ${{github.action_path}}/main.go | cut -d ' ' -f 1)" >> $GITHUB_OUTPUT
-
-        -   name: Generate Module Hash
-            id: moduleHash
-            shell: bash
-            run: echo "hash=$(sha256sum ${{github.action_path}}/go.sum | cut -d ' ' -f 1)" >> $GITHUB_OUTPUT
-
-        -   name: Restore Go Modules Cache
-            if: ${{ inputs.useGo }}
-            uses: actions/cache@v4
-            id: goModuleCache
-            with:
-                path: ~/go/pkg/mod
-                key: ${{ runner.os }}-go-modules-${{ steps.moduleHash.outputs.hash }}
-
-        -   name: Restore Binary Cache
-            if: ${{ inputs.useGo }}
-            uses: actions/cache@v4
-            id: binary-cache
-            with:
-                path: ${{github.action_path}}/action-binary
-                key: ${{ runner.os }}-go-binary-${{ steps.mainHash.outputs.hash }}
 
-        -   name: Tidy Go Modules
-            if: ${{ inputs.useGo && steps.binary-cache.outputs.cache-hit != 'true' }}
-            shell: bash
-            working-directory: ${{github.action_path}}
-            run: go mod tidy
-
-        -   name: Build Binary
-            if: ${{ inputs.useGo && steps.binary-cache.outputs.cache-hit != 'true' }}
-            shell: bash
-            working-directory: ${{github.action_path}}
-            run: go build -o ${{github.action_path}}/action-binary main.go
-
-        -   name: Set Execute Permissions on Binary
-            if: ${{ inputs.useGo && steps.binary-cache.outputs.cache-hit == 'true' }}
-            shell: bash
-            working-directory: ${{github.action_path}}
-            run: chmod +x ${{github.action_path}}/action-binary
-
-        -   name: "Format Pull Request Title"
-            if: ${{ inputs.useGo }}
-            shell: bash
-            working-directory: ${{github.action_path}}
-            run: ${{github.action_path}}/action-binary
-            env:
-                GH_TOKEN: ${{ inputs.token }}
-                GH_REPOSITORY: ${{ inputs.repository }}
-                PR_NUMBER: ${{ inputs.pullRequestNumber }}
-                BRANCH_NAME: ${{ inputs.branch }}
-                CI_FMT_WORDS: ${{ inputs.customFormatting }}
-
-        -   name: "Set execute permissions [NOTICE: This will be removed in the next major version]"
-            if: ${{ !inputs.useGo }}
-            shell: bash
-            run: chmod +x ${{github.action_path}}/entrypoint.sh
-
-        -   name: "Format Pull Request Title (Legacy) [NOTICE: This will be removed in the next major version]"
-            if: ${{ !inputs.useGo }}
-            shell: bash
-            run: ${{github.action_path}}/entrypoint.sh
-            env:
-                GH_TOKEN: ${{ inputs.token }}
-                GH_REPOSITORY: ${{ inputs.repository }}
-                PR_NUMBER: ${{ inputs.pullRequestNumber }}
-                BRANCH_NAME: ${{ inputs.branch }}
+runs:
+    using: 'docker'
+    image: 'docker://ghcr.io/encoredigitalgroup/gh-action-format-pull-request-title:latest'
+    env:
+        GH_TOKEN: ${{ inputs.token }}
+        GH_REPOSITORY: ${{ inputs.repository }}
+        PR_NUMBER: ${{ inputs.pullRequestNumber }}
+        BRANCH_NAME: ${{ inputs.branch }}
+        CI_FMT_WORDS: ${{ inputs.customFormatting }}