# Use the official lightweight Nginx image
FROM nginx:alpine

# Set the working directory inside the container
WORKDIR /usr/share/nginx/html

# Copy all project files from the build context to the working directory
# The '.' means 'copy everything from the current folder (my-portfolio)'
# into the WORKDIR of the container. This is the key fix.
COPY . .

# Expose port 80 to the Docker host
EXPOSE 80