Use multi-stage builds to keep the image smaller. Clean up unnecessary files after install to reduce image size.

Author: letzautomate

Dockerfile.playwright

@@ -1,30 +1,41 @@
-FROM mcr.microsoft.com/playwright:v1.53.1-jammy
+# === Stage 1: Build and install dependencies ===
+FROM mcr.microsoft.com/playwright:v1.53.1-jammy AS builder
 
-# Install Java 11 (required for Allure)
+# Install Java & Allure
 RUN apt-get update && apt-get install -y wget gnupg2 && \
     wget -qO - https://packages.adoptium.net/artifactory/api/gpg/key/public | gpg --dearmor -o /usr/share/keyrings/adoptium.gpg && \
     echo "deb [signed-by=/usr/share/keyrings/adoptium.gpg] https://packages.adoptium.net/artifactory/deb focal main" | tee /etc/apt/sources.list.d/adoptium.list && \
     apt-get update && apt-get install -y temurin-11-jdk && \
+    npm install -g allure-commandline --force && \
     rm -rf /var/lib/apt/lists/*
 
-# Install Allure CLI globally
-RUN npm install -g allure-commandline --force
-
-# Set JAVA_HOME for Allure
+# Set up env
 ENV JAVA_HOME=/usr/lib/jvm/temurin-11-jdk-amd64
 ENV PATH=$JAVA_HOME/bin:$PATH
 
-# Set working directory
 WORKDIR /app
-
-# Copy only package files first to cache layer
 COPY package*.json ./
+RUN npm install
+
+# === Stage 2: Final image ===
+FROM mcr.microsoft.com/playwright:v1.53.1-jammy
 
-# Install Node dependencies
-RUN npm ci
+# Copy Java, Allure, and installed node_modules from builder
+COPY --from=builder /usr/lib/jvm/temurin-11-jdk-amd64 /usr/lib/jvm/temurin-11-jdk-amd64
+COPY --from=builder /usr/share/keyrings/adoptium.gpg /usr/share/keyrings/adoptium.gpg
+COPY --from=builder /usr/local/lib/node_modules /usr/local/lib/node_modules
+COPY --from=builder /usr/local/bin/allure /usr/local/bin/allure
+COPY --from=builder /app/node_modules /app/node_modules
 
-# Copy the rest of the application
+# Set up env again
+ENV JAVA_HOME=/usr/lib/jvm/temurin-11-jdk-amd64
+ENV PATH=$JAVA_HOME/bin:$PATH
+
+WORKDIR /app
 COPY . .
+COPY env ./env  
+
+# Clean unnecessary files
+RUN rm -rf /root/.cache /root/.npm /tmp/*
 
-# Default CMD is overridden by GitHub Action's docker run step
 CMD ["npm", "run", "test:allure"]