style: fix lint issues in Dockerfile

Signed-off-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

Dockerfile

@@ -6,33 +6,46 @@ RUN set -ex; \
     export DEBIAN_FRONTEND=noninteractive; \
     apt-get -qq update; \
     apt-get -y --no-install-recommends install \
-      build-essential \
-      ca-certificates \
-      wget \
-      pkg-config \
-      xvfb \
-      libglfw3-dev \
-      libuv1-dev \
-      libjpeg-turbo8 \
-      libicu66 \
-      libcairo2-dev \
-      libpango1.0-dev \
-      libjpeg-dev \
-      libgif-dev \
-      librsvg2-dev \
-      libcurl4-openssl-dev \
-      libpixman-1-dev; \
-    wget -qO- https://deb.nodesource.com/setup_18.x | bash; \
+      build-essential=12.8ubuntu1 \
+      ca-certificates=20211016~20.04.1 \
+      wget=1.20.3-1ubuntu1 \
+      pkg-config=0.29.1-0ubuntu4 \
+      xvfb=2:1.20.13-1ubuntu1~20.04.4 \
+      libglfw3-dev=3.3.2-1 \
+      libuv1-dev=1.34.2-1ubuntu1.3 \
+      libjpeg-turbo8=2.0.3-0ubuntu1.20.04.3 \
+      libicu66=66.1-2ubuntu2.1 \
+      libcairo2-dev=1.16.0-4ubuntu1 \
+      libpango1.0-dev=1.44.7-2ubuntu4 \
+      libjpeg-dev=8c-2ubuntu8 \
+      libgif-dev=5.1.9-1 \
+      librsvg2-dev=2.48.2-1 \
+      gir1.2-rsvg-2.0=2.48.2-1 \
+      librsvg2-2=2.48.2-1 \
+      librsvg2-common=2.48.2-1 \
+      libcurl4-openssl-dev=7.68.0-1ubuntu2.14 \
+      libpixman-1-dev=0.38.4-0ubuntu1 \
+      libpixman-1-0=0.38.4-0ubuntu1; \
+      apt-get -y --purge autoremove; \
+      apt-get clean; \
+      rm -rf /var/lib/apt/lists/*;
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+RUN wget -qO- https://deb.nodesource.com/setup_18.x | bash; \
     apt-get install -y nodejs; \
+    npm i -g npm@latest; \
     apt-get -y remove wget; \
     apt-get -y --purge autoremove; \
     apt-get clean; \
     rm -rf /var/lib/apt/lists/*;
 
 RUN mkdir -p /usr/src/app
-COPY package* /usr/src/app/
+COPY package* /usr/src/app
 
-RUN cd /usr/src/app && npm ci --omit=dev
+WORKDIR /usr/src/app
+
+RUN npm install --omit=dev
 
 FROM ubuntu:focal AS final
 
@@ -47,22 +60,29 @@ RUN set -ex; \
     useradd -r -g node node; \
     apt-get -qq update; \
     apt-get -y --no-install-recommends install \
-      ca-certificates \
-      wget \
-      xvfb \
-      libglfw3 \
-      libuv1 \
-      libjpeg-turbo8 \
-      libicu66 \
-      libcairo2 \
-      libgif7 \
-      libopengl0 \
-      libpixman-1-0 \
-      libcurl4 \
-      librsvg2-2 \
-      libpango1.0; \
-    wget -qO- https://deb.nodesource.com/setup_18.x | bash; \
+      ca-certificates=20211016~20.04.1 \
+      wget=1.20.3-1ubuntu1 \
+      xvfb=2:1.20.13-1ubuntu1~20.04.4 \
+      libglfw3=3.3.2-1 \
+      libuv1=1.34.2-1ubuntu1.3 \
+      libjpeg-turbo8=2.0.3-0ubuntu1.20.04.3 \
+      libicu66=66.1-2ubuntu2.1 \
+      libcairo2=1.16.0-4ubuntu1 \
+      libgif7=5.1.9-1 \
+      libopengl0=1.3.2-1~ubuntu0.20.04.2 \
+      libpixman-1-0=0.38.4-0ubuntu1 \
+      libcurl4=7.68.0-1ubuntu2.14 \
+      librsvg2-2=2.48.2-1 \
+      libpango-1.0-0=1.44.7-2ubuntu4; \
+      apt-get -y --purge autoremove; \
+      apt-get clean; \
+      rm -rf /var/lib/apt/lists/*;
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+RUN wget -qO- https://deb.nodesource.com/setup_18.x | bash; \ 
     apt-get install -y nodejs; \
+    npm i -g npm@latest; \
     apt-get -y remove wget; \
     apt-get -y --purge autoremove; \
     apt-get clean; \