better docs, starting on dokploy provider, updating to golang 1.26.3

.env.example

@@ -1,5 +1,5 @@
-LISTEN=0.0.0.0:25
-LISTEN_TLS=0.0.0.0:587
+LISTEN_ADDR=0.0.0.0:25
+LISTEN_ADDR_TLS=0.0.0.0:587
 WEBHOOK_URL=http://localhost:8080/webhook
 WEBHOOK_USER=
 WEBHOOK_PASS=

.github/workflows/release.yml

@@ -7,6 +7,7 @@ on:
 
 permissions:
   contents: write
+  packages: write
 
 jobs:
   build-and-upload:
@@ -39,7 +40,7 @@ jobs:
           BIN_NAME=inboundparse
           if [ "${{ matrix.goos }}" = "windows" ]; then BIN_NAME="${BIN_NAME}.exe"; fi
           mkdir -p dist
-          go build -trimpath -ldflags "-s -w" -o "dist/${BIN_NAME}-${{ matrix.goos }}-${{ matrix.goarch }}" ./
+          go build -trimpath -ldflags "-s -w" -o "dist/${BIN_NAME}-${{ matrix.goos }}-${{ matrix.goarch }}" ./cmd/inboundparse
 
       - name: Upload artifact
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
@@ -70,3 +71,46 @@ jobs:
           files: assets/*
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  build-and-push-image:
+    name: Build and push Docker image (GHCR)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6.0.2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4.0.0
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v4.1.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker image name (GHCR requires lowercase)
+        id: image
+        run: echo "name=ghcr.io/$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"
+
+      - name: Docker metadata (tags and labels)
+        id: meta
+        uses: docker/metadata-action@v6.0.0
+        with:
+          images: ${{ steps.image.outputs.name }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=raw,value=latest,enable=true
+
+      - name: Build and push
+        uses: docker/build-push-action@v6.10
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -1,6 +1,6 @@
 # Build stage
-# Official images publish 1.26.2-alpine / 1.26.2-alpine3.22+ — not alpine3.21.
-FROM golang:1.26.2-alpine AS builder
+# Official images publish 1.26.3-alpine / 1.26.3-alpine3.22+ — not alpine3.21.
+FROM golang:1.26.3-alpine AS builder
 
 WORKDIR /app