add Docker templates

.gitignore

@@ -24,5 +24,9 @@
 # Woodpecker CI
 !.woodpecker/*
 
+# Docker build files
+!Dockerfile
+!Dockerfile.*
+
 # ...even if they are in subdirectories
 !*/

.woodpecker/deploy-docker.yml

@@ -0,0 +1,35 @@
+when:
+  - event: [pull_request, tag]
+  
+
+steps:
+  docker-deploy-pr:
+    when:
+      - event: pull_request
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      dockerfile: Dockerfile
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64
+      repo: adoralaura/adoralaura
+      registry: https://index.docker.io/v1/
+      tag: pr-${CI_COMMIT_PULL_REQUEST}
+      username: adoralaura
+      password:
+        from_secret: dockerhub_token
+  
+
+  docker-deploy-tag:
+    when:
+      event: tag
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      dockerfile: Dockerfile
+      platforms: linux/arm/v7,linux/arm64/v8,linux/amd64
+      repo: adoralaura/app-name
+      registry: https://index.docker.io/v1/
+      auto_tag: true
+      username: adoralaura
+      password:
+        from_secret: dockerhub_token
+
+  

Dockerfile

@@ -0,0 +1,31 @@
+FROM golang:1.22-bullseye AS dev
+
+COPY . /var/app
+WORKDIR /var/app
+
+
+ENV GO111MODULE="on" \
+    CGO_ENABLED=0 \
+    GOOS=linux
+
+EXPOSE 80
+ENTRYPOINT ["sh"]
+
+
+FROM dev as build
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends --assume-yes ca-certificates
+RUN go mod download && go mod verify
+RUN go build -o app-name main.go
+RUN chmod +x app-name
+
+
+FROM gcr.io/distroless/static-debian12 AS prod
+
+WORKDIR /app
+COPY --from=build /var/app/app-name /bin/
+
+LABEL maintainer="Adora Laura Kalb <adora@lila.network>"
+
+EXPOSE     8080
+ENTRYPOINT ["/bin/app-name"]