Add dockerfile and docker-compose

Author: atishdhu

Diff for: docker-compose.yml

@@ -0,0 +1,7 @@
+services:
+  pdfjs:
+    build: .
+    container_name: pdfjs_container
+    ports:
+      - "8888:8888"
+    command: bash -c "gulp server"

Diff for: dockerfile

@@ -0,0 +1,25 @@
+FROM node:18
+
+RUN useradd -r -m -d /app app
+WORKDIR /app
+COPY --chown=app:app ./ ./
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    libcairo2-dev \
+    libpango1.0-dev \
+    libjpeg-dev \
+    libgif-dev \
+    librsvg2-dev \
+    cmake \
+    python3 \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN npm install -g gulp-cli
+
+RUN npm install
+
+USER app
+
+EXPOSE 8888
+CMD ["gulp", "server"]