Improve docker setup

.dockerignore

@@ -0,0 +1,3 @@
+build
+node_modules
+test

Dockerfile

@@ -1,16 +1,12 @@
 FROM node:12-alpine AS BUILD_IMAGE
 
-# Create man folders which are required by postgres
-RUN seq 1 8 | xargs -I{} mkdir -p /usr/share/man/man{}
-
 # Install dependencies
-RUN apk update \
-          && apk add git python make g++ postgresql-client \
-          && rm -rf /var/cache/apk/*
+RUN apk update
+RUN apk add --no-cache git python make g++
 
 # Use changes to package.json to force Docker not to use the cache when we
 # change our application's NodeJS dependencies:
-COPY package.json /tmp/package.json
+COPY package*.json /tmp/
 RUN cd /tmp && npm install
 RUN mkdir -p /usr/src/app && cp -a /tmp/node_modules /usr/src/app
 
@@ -30,14 +26,11 @@ FROM node:12-alpine
 WORKDIR /usr/src/app
 
 # Copy from build image
-COPY --from=BUILD_IMAGE /usr/src/app/build ./build
-COPY --from=BUILD_IMAGE /usr/src/app/node_modules ./node_modules
+COPY --from=BUILD_IMAGE /usr/src/app ./
 
 # Copy runtime scripts into root
-COPY --from=BUILD_IMAGE /usr/src/app/scripts/run.sh .
-COPY --from=BUILD_IMAGE /usr/src/app/scripts/run-worker.sh .
-COPY --from=BUILD_IMAGE /usr/src/app/scripts/wait-for-db.sh .
+COPY --from=BUILD_IMAGE /usr/src/app/scripts/*.sh ./
 
 EXPOSE 3000
 
-ENTRYPOINT ["./wait-for-db.sh"]
+ENTRYPOINT ["./entrypoint.sh"]

package.json

@@ -40,7 +40,6 @@
     "@babel/eslint-parser": "^7.13.10",
     "babel-plugin-add-module-exports": "^1.0.4",
     "concurrently": "^6.0.0",
-    "cross-env": "^7.0.3",
     "eslint": "^7.21.0",
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-prettier": "^3.3.1",
@@ -49,7 +48,6 @@
     "nodemon": "^2.0.7",
     "prettier": "^2.2.1",
     "rimraf": "^3.0.2",
-    "sequelize-cli": "^6.2.0",
     "supertest": "^6.1.3",
     "truffle": "^5.2.3"
   },
@@ -63,6 +61,7 @@
     "celebrate": "^13.0.4",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
+    "cross-env": "^7.0.3",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "fast-json-stringify": "^2.5.1",
@@ -75,6 +74,7 @@
     "multer": "^1.4.2",
     "pg": "^8.5.1",
     "sequelize": "^6.5.0",
+    "sequelize-cli": "^6.2.0",
     "sharp": "^0.27.2",
     "web3": "^1.3.4",
     "winston": "^3.3.3"

scripts/entrypoint.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+set -e
+
+CMD="$@"
+
+# Set default values
+POSTGRES_PORT=${POSTGRES_PORT:-5432}
+NODE_ENV=${NODE_ENV:-"production"}
+
+# Helper method to extract host and port from url
+parse_url() {
+  # Extract the protocol
+  proto="$(echo $1 | grep :// | sed -e's,^\(.*://\).*,\1,g')"
+  # Remove the protocol
+  url=$(echo $1 | sed -e s,$proto,,g)
+  # Extract the host and port
+  hostport=$(echo $url | cut -d/ -f1)
+  # Extract host without port
+  host="$(echo $hostport | sed -e 's,:.*,,g')"
+  # Try to extract the port
+  port="$(echo $hostport | sed -e 's,^.*:,:,g' -e 's,.*:\([0-9]*\).*,\1,g' -e 's,[^0-9],,g')"
+  # Set port default when not given
+  if [ -z "$port" ]
+  then
+    [ "$proto" = "https://" ] && port=443 || port=80
+  fi
+  echo "$host:$port"
+}
+
+# Wait until graph node is ready
+./wait-for-it.sh "$(parse_url $GRAPH_NODE_ENDPOINT)" -t 60
+
+# Wait until database is ready
+./wait-for-it.sh "$POSTGRES_HOST:$POSTGRES_PORT" -t 60
+
+# Set DATABASE_URL env variable in correct format for application
+export DATABASE_URL=postgres://$POSTGRES_USER:$POSTGRES_PASSWORD@$POSTGRES_HOST:$POSTGRES_PORT/$POSTGRES_DATABASE_API
+
+# Run migrations
+npm run db:migrate
+npm run db:seed
+
+# Finally execute start command
+exec $CMD

scripts/wait-for-it.sh

@@ -0,0 +1,83 @@
+#!/bin/sh
+
+# POSIX compatible clone of wait-for-it.sh
+# This copy is from https://github.com/eficode/wait-for/commits/master
+# at commit 8d9b4446
+
+TIMEOUT=15
+QUIET=0
+
+echoerr() {
+  if [ "$QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi
+}
+
+usage() {
+  exitcode="$1"
+  cat << USAGE >&2
+Usage:
+  $cmdname host:port [-t timeout] [-- command args]
+  -q | --quiet                        Do not output any status messages
+  -t TIMEOUT | --timeout=timeout      Timeout in seconds, zero for no timeout
+  -- COMMAND ARGS                     Execute command with args after the test finishes
+USAGE
+  exit "$exitcode"
+}
+
+wait_for() {
+  echo "Wait $TIMEOUT seconds for $HOST:$PORT to be ready ..."
+  for i in `seq $TIMEOUT` ; do
+    nc -z "$HOST" "$PORT" > /dev/null 2>&1
+    result=$?
+    if [ $result -eq 0 ] ; then
+      if [ $# -gt 0 ] ; then
+        exec "$@"
+      fi
+      exit 0
+    fi
+    sleep 1
+  done
+  echo "Operation timed out" >&2
+  exit 1
+}
+
+while [ $# -gt 0 ]
+do
+  case "$1" in
+    *:* )
+    HOST=$(printf "%s\n" "$1"| cut -d : -f 1)
+    PORT=$(printf "%s\n" "$1"| cut -d : -f 2)
+    shift 1
+    ;;
+    -q | --quiet)
+    QUIET=1
+    shift 1
+    ;;
+    -t)
+    TIMEOUT="$2"
+    if [ "$TIMEOUT" = "" ]; then break; fi
+    shift 2
+    ;;
+    --timeout=*)
+    TIMEOUT="${1#*=}"
+    shift 1
+    ;;
+    --)
+    shift
+    break
+    ;;
+    --help)
+    usage 0
+    ;;
+    *)
+    echoerr "Unknown argument: $1"
+    usage 1
+    ;;
+  esac
+done
+
+if [ "$HOST" = "" -o "$PORT" = "" ]; then
+  echoerr "Error: you need to provide a host and port to test."
+  usage 2
+fi
+
+wait_for "$@"