Add Github Workflow to build and push a docker image to GHCR

.github/workflows/docker.yml

@@ -0,0 +1,58 @@
+---
+    name: Build and Publish Docker image
+
+    on:
+      push:
+        tags:
+          - "v*"
+        branches:
+          - '*'
+      pull_request:
+        branches:
+          - 'main'
+
+    jobs:
+      build-and-publish:
+        runs-on: ubuntu-latest
+        steps:
+          - name: Checkout repository
+            uses: actions/checkout@v4
+
+          - name: Set up QEMU
+            id: qemu
+            uses: docker/setup-qemu-action@v3
+
+          - name: Set up Docker Buildx
+            uses: docker/setup-buildx-action@v3
+
+          - name: Extract metadata
+            id: meta
+            uses: docker/metadata-action@v5
+            with:
+              images: |
+                ghcr.io/ecadlabs/go-tezos-keygen
+              tags: |
+                type=ref,event=branch,suffix=-{{sha}}
+                type=ref,event=pr,suffix=-{{sha}}
+                type=semver,pattern={{version}}
+                type=semver,pattern={{major}}.{{minor}}
+                type=semver,pattern={{major}}
+                type=sha
+    
+          - name: Login to GHCR
+            if: github.event_name != 'pull_request'
+            uses: docker/login-action@v2
+            with:
+              registry: ghcr.io
+              username: ${{ github.repository_owner }}
+              password: ${{ secrets.GITHUB_TOKEN }}
+
+          - name: Build and push
+            uses: docker/build-push-action@v5
+            with:
+              context: .
+              platforms: linux/amd64
+              push: ${{ github.event_name != 'pull_request' }}
+              tags: ${{ steps.meta.outputs.tags }}
+              labels: ${{ steps.meta.outputs.labels }}
+

.gitignore

@@ -20,4 +20,7 @@
 # Go workspace file
 go.work
 
-/go-tezos-keygen
+/go-tezos-keygen
+*.db
+networks.yaml
+.vscode

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:1.21-bullseye AS builder
+
+WORKDIR /src
+
+# Caching step
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN go build -o /go-tezos-keygen
+
+FROM debian:bullseye-slim as runtime
+
+WORKDIR /app
+
+COPY --from=builder /go-tezos-keygen /app/go-tezos-keygen
+
+EXPOSE 3000
+
+ENTRYPOINT ["/app/go-tezos-keygen"]