Add Docker image

.dockerignore

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+.DS_Store
+node_modules
+/dist
+
+# local env files
+.env.local
+.env.*.local
+
+# Log files
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw*

Dockerfile

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+FROM node:10-alpine as build
+
+# args
+ARG version="0.1.0"
+ARG repo="github.com/productionwentdown/dri"
+
+# dependencies
+RUN apk add --no-cache git
+
+# source
+WORKDIR /app
+COPY . .
+
+# build
+RUN yarn install
+RUN yarn build
+
+
+FROM alpine:3.8
+
+ARG version
+
+# labels
+LABEL org.label-schema.vcs-url="https://github.com/productionwentdown/email-collector"
+LABEL org.label-schema.version=${version}
+LABEL org.label-schema.schema-version="1.0"
+
+# copy build output
+COPY --from=build /app/dist /srv
+# copy caddy
+COPY --from=productionwentdown/caddy:0.11.0 /bin/caddy /usr/local/bin/caddy
+# copy entrypoint.sh
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+
+ENTRYPOINT ["entrypoint.sh"]
+CMD ["caddy", "-conf", "/etc/Caddyfile"]

entrypoint.sh

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+#!/bin/sh
+
+BASE_URL=${BASE_URL:=/}
+
+REGISTRY_HOST=${REGISTRY_HOST:=""}
+REGISTRY_API=${REGISTRY_API:=""}
+
+REPOSITORIES_PER_PAGE=${REPOSITORIES_PER_PAGE:=0}
+TAGS_PER_PAGE=${TAGS_PER_PAGE:=30}
+
+[[ "$USE_PORTUS_EXPLORE" != "true" ]] && [[ "$USE_PORTUS_EXPLORE" != "false" ]] && USE_PORTUS_EXPLORE=false
+
+sed -i "s~<base href=/>~<base href=\"$BASE_URL\">~" /srv/index.html
+
+cat > /etc/Caddyfile << EOF
+:80$BASE_URL {
+    root /srv
+    browse
+    rewrite {
+        regexp (.*)
+        to {1} {1}/ /
+    }
+}
+EOF
+
+cat > /srv/config.json << EOF
+{
+    "registryHost": "$REGISTRY_HOST",
+	"registryAPI": "$REGISTRY_API",
+	"repositoriesPerPage": $REPOSITORIES_PER_PAGE,
+	"tagsPerPage": $TAGS_PER_PAGE,
+	"usePortusExplore": $USE_PORTUS_EXPLORE
+}
+EOF
+
+"$@"