Fixed docker image

.dockerignore

@@ -0,0 +1 @@
+node_modules/

Dockerfile

@@ -1,10 +1,16 @@
-FROM denoland/deno:alpine
+FROM denoland/deno:latest
 WORKDIR /app
 COPY . .
-RUN apk add build-base \
-  cairo-dev \
-  pango-dev \
-  jpeg-dev \
-  librsvg-dev
+RUN apt-get update && apt-get install -y \
+  build-essential \
+  libcairo2-dev \
+  libpango1.0-dev \
+  libjpeg-dev \
+  librsvg2-dev \
+  nodejs \
+  npm \
+  && deno install --allow-scripts=npm:canvas \
+  && apt-get remove -y nodejs npm \
+  && rm -rf /var/lib/apt/lists/*
 CMD ["deno", "run", "start"]