Add build step for Docker container

.woodpecker/.build.yml

@@ -0,0 +1,19 @@
+steps:
+  - name: build
+    image: node:18-alpine
+    when:
+      - branch: master
+        event: push
+    commands:
+      - docker build -t "$REGISTRY_IMAGE_TAG" .
+      - echo "$FORGEJO_REGISTRY_PASSWORD" | docker login "$FORGEJO_REGISTRY_URL" --password-stdin -u "$FORGEJO_REGISTRY_USERNAME"
+      - docker push "$FORGEJO_REGISTRY_URL"
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    secrets:
+      [
+        FORGEJO_REGISTRY_URL,
+        FORGEJO_REGISTRY_USERNAME,
+        FORGEJO_REGISTRY_PASSWORD,
+        REGISTRY_IMAGE_TAG,
+      ]

Dockerfile

@@ -0,0 +1,15 @@
+FROM node:18-alpine as build
+
+WORKDIR /usr/local/app
+COPY ./ /usr/local/app/
+RUN npm install
+RUN chmod +x /usr/local/app/build.sh
+RUN /usr/local/app/build.sh
+
+FROM nginx:latest
+RUN rm -rf /usr/share/nginx/html/*
+COPY --from=build /usr/local/app/ /usr/share/nginx/html
+COPY nginx/nginx.conf /etc/nginx/conf.d/default.conf
+RUN service nginx restart
+
+EXPOSE 80

nginx/nginx.conf

@@ -0,0 +1,12 @@
+server {
+    listen 80;
+    sendfile on;
+    default_type application/octet-stream;
+    gzip on;
+
+    root /usr/share/nginx/build;
+
+    location / {
+        try_files $uri $uri/ /index.html =404;
+    }
+}