From 63c6031d6679e19756c3eef28d5d50468b85ff5f Mon Sep 17 00:00:00 2001
From: Tamas Gal <galtom84@gmail.com>
Date: Thu, 16 Oct 2025 15:12:54 +0200
Subject: [PATCH] Add Backend Dockerfile and workflow

---
 .../feedmee-test-backend-build-docker.yaml    | 33 +++++++++++++++++++
 backend/Dockerfile                            | 32 ++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 .gitea/workflows/feedmee-test-backend-build-docker.yaml
 create mode 100644 backend/Dockerfile

diff --git a/.gitea/workflows/feedmee-test-backend-build-docker.yaml b/.gitea/workflows/feedmee-test-backend-build-docker.yaml
new file mode 100644
index 0000000..1e3e924
--- /dev/null
+++ b/.gitea/workflows/feedmee-test-backend-build-docker.yaml
@@ -0,0 +1,33 @@
+name: Build Feedmee Go Backend App
+
+defaults:
+  run:
+    working-directory: ./backend
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{vars.REGISTRY_URL}}
+          username: ${{vars.ACTOR}}
+          password: ${{secrets.TOKEN}}
+
+      - name: Build Docker image
+        run: |
+          docker build -f Dockerfile -t ${{vars.REGISTRY_URL}}/${{github.repository}}-backend-test:latest .
+
+      - name: Push Docker image
+        run: |
+          docker push ${{vars.REGISTRY_URL}}/${{github.repository}}-backend-test:latest
diff --git a/backend/Dockerfile b/backend/Dockerfile
new file mode 100644
index 0000000..f744db1
--- /dev/null
+++ b/backend/Dockerfile
@@ -0,0 +1,32 @@
+# --- BUILD STAGE ---
+FROM golang:1.25.0 AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+
+# Fontos: CGO_ENABLED=0 a statikusan linkelt binárisért, ami kompatibilis lesz az Alpine alapú futtatási környezettel.
+RUN CGO_ENABLED=0 GOOS=linux go build -a -ldflags="-s -w" -o backend .
+
+
+FROM alpine:latest
+
+WORKDIR /root/
+COPY --from=builder /app/backend .
+
+# Ha a Go alkalmazásodnak szüksége van SSL tanúsítványokra (pl. HTTPS hívásokhoz külső API-k felé), akkor az Alpine image-be telepíteni kell a ca-certificates csomagot.
+# A CGO_ENABLED=0 miatt elvileg a Go beépített gyökér tanúsítványtárát használja, de biztonságosabb a rendszer ca-certificates csomagját is felrakni.
+# Ezt csak akkor tedd meg, ha szükséges, és csak a futtatási stage-ben!
+# RUN apk add --no-cache ca-certificates
+
+RUN apk add --no-cache tzdata
+RUN cp /usr/share/zoneinfo/Europe/Budapest /etc/localtime
+RUN echo "Europe/Budapest" >  /etc/timezone
+
+ENV TZ="Europe/Budapest"
+ENV LANG="hu_HU.UTF-8"
+ENV LANGUAGE="hu_HU.UTF-8"
+ENV LC_ALL="hu_HU.UTF-8"
+
+EXPOSE 7153
+CMD ["./backend"]
\ No newline at end of file