added workflows

.gitea/.workflow/build-push.yaml

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+# Build docker image and push it to registry
+name: Build and Push
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - *
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to Gitea Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: gitea.rannes.dev
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: hooklord/confetti-trigger:${{ github.ref_name }}

Dockerfile

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+# Use a multi-stage build to create a minimal Docker image
+
+# Stage 1: Build the Go application
+FROM golang:1.23-alpine as builder
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy go.mod and go.sum files if you have them
+COPY go.mod go.sum ./
+
+# Download all dependencies
+RUN go mod download
+
+# Copy the source code into the container
+COPY . .
+
+# Build the Go application
+RUN go build -o confetti-api main.go
+
+# Stage 2: Create a minimal image with the application binary
+FROM alpine:latest
+
+# Install ca-certificates to handle HTTPS requests
+RUN apk --no-cache add ca-certificates
+
+# Set the working directory inside the container
+WORKDIR /root/
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/confetti-api .
+
+# Expose port 8080 for the application
+EXPOSE 8080
+
+# Command to run the application
+CMD ["./confetti-api"]