Add Dockerfile

Dockerfile

@@ -0,0 +1,41 @@
+FROM alpine:edge
+
+RUN apk update
+# Installs latest Chromium (89) package.
+RUN apk add --no-cache \
+      chromium \
+      nss \
+      freetype \
+      harfbuzz \
+      ca-certificates \
+      ttf-freefont \
+      nodejs \
+      npm \
+      yarn
+
+# Tell Puppeteer to skip installing Chrome. We'll be using the installed package.
+ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \
+    PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
+
+# Puppeteer v6.0.0 works with Chromium 89.
+RUN yarn add [email protected]
+
+# Add user so we don't need --no-sandbox.
+RUN addgroup -S pptruser && adduser -S -g pptruser pptruser \
+    && mkdir -p /home/pptruser/Downloads /app \
+    && chown -R pptruser:pptruser /home/pptruser \
+    && chown -R pptruser:pptruser /app
+
+
+WORKDIR /usr/src/
+COPY package*.json ./
+ADD app ./app
+ADD config ./config
+RUN npm install
+RUN chown -R pptruser:pptruser /usr/src/
+
+EXPOSE 8080
+
+# Run everything after as non-privileged user.
+USER pptruser
+CMD [ "npm", "start" ]

app/server.js

@@ -53,6 +53,12 @@ app.get('/screenshots', (req, res) => {
             })
             .then(file => {
                 return captureWebsite.file(website.url, file.path, {
+                        launchOptions: {
+                            args: [
+                                '--no-sandbox',
+                                '--disable-setuid-sandbox'
+                            ]
+                        },
                         overwrite: true,
                         headers: website.headers,
                         cookies: website.cookies,
@@ -95,4 +101,4 @@ const display_static_page = function(res, page) {
     });
 };
 
-module.exports = app;
+module.exports = app;