chore: add postgres deps to Dockerfile

Author: nevinsm

api/Dockerfile

@@ -16,7 +16,7 @@ WORKDIR /rails
 
 # Install base packages
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 && \
+    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 libpq5 && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Set production environment
@@ -30,7 +30,7 @@ FROM base AS build
 
 # Install packages needed to build gems
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config && \
+    apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config libpq-dev && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Install application gems