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.dockerignore
*
!package.json
!package-lock.json
!server.js
Raw
README.md 
docker-compose -v

docker-compose 1.29.0 or later is required.

docker-compose up --build test-client
Raw
docker-compose.yml
version: '3.9'
services:
test-database:
image: postgres:13
environment:
POSTGRES_HOST_AUTH_METHOD: trust
healthcheck:
test: ["CMD", "psql", "-U", "postgres", "-c", "SELECT 1"]
interval: 1s
retries: 10
start_period: 3s
test-database-setup:
image: postgres:13
command: |
psql -h test-database -U postgres -c '
CREATE TABLE IF NOT EXISTS users (
id integer PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,
info jsonb NOT NULL
);
INSERT INTO users (id, info) VALUES (1, $$$${"geometry": {}}$$$$) ON CONFLICT DO NOTHING;'
depends_on:
test-database:
condition: service_healthy
test-client:
build: .
environment:
PGHOST: test-database
PGUSER: postgres
depends_on:
test-database-setup:
condition: service_completed_successfully
Raw
Dockerfile
# 16-alpine
FROM node@sha256:e5615005591e2450e782fa82b10bf31e4c3a90b00f4f47f3691bcb4c03c5b1a2
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY server.js ./
CMD node server.js
Raw
package-lock.json
{
"name": "app",
"lockfileVersion": 2,
"requires": true,
"packages": {
"": {
"dependencies": {
"pg": "^8.6.0"
}
},
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"engines": {
"node": ">=4"
}
},
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"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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},
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"buffer-writer": "2.0.0",
"packet-reader": "1.0.0",
"pg-connection-string": "^2.5.0",
"pg-pool": "^3.3.0",
"pg-protocol": "^1.5.0",
"pg-types": "^2.1.0",
"pgpass": "1.x"
},
"engines": {
"node": ">= 8.0.0"
},
"peerDependencies": {
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},
"peerDependenciesMeta": {
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"optional": true
}
}
},
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},
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}
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},
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}
},
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}
},
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}
},
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}
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"dependencies": {
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},
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}
},
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"dependencies": {
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"string_decoder": "^1.1.1",
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},
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}
},
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"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/feross"
},
{
"type": "patreon",
"url": "https://www.patreon.com/feross"
},
{
"type": "consulting",
"url": "https://feross.org/support"
}
]
},
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}
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},
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"requires": {
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"packet-reader": "1.0.0",
"pg-connection-string": "^2.5.0",
"pg-pool": "^3.3.0",
"pg-protocol": "^1.5.0",
"pg-types": "^2.1.0",
"pgpass": "1.x"
}
},
"pg-connection-string": {
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},
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},
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"integrity": "sha512-0O5huCql8/D6PIRFAlmccjphLYWC+JIzvUhSzXSpGaf+tjTZc4nn+Lr7mLXBbFJfvwbP0ywDv73EiaBsxn7zdg==",
"requires": {}
},
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"resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.5.0.tgz",
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"postgres-array": "~2.0.0",
"postgres-bytea": "~1.0.0",
"postgres-date": "~1.0.4",
"postgres-interval": "^1.1.0"
}
},
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}
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}
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}
}
Raw
package.json
{
"private": true,
"dependencies": {
"pg": "^8.6.0"
}
}
Raw
server.js
//load module
const { Pool, Client } = require('pg');
const pool = new Pool();
var coords = {
userid: 23,
longitude: -81.363124,
latitude: 28.627777,
};
var id = 1;
//get variables
var userid = JSON.stringify(coords.userid);//23
var long = JSON.stringify(coords.longitude);//-81.363124
var lat = JSON.stringify(coords.latitude);//28.627777
var coords = JSON.stringify([long,lat]);//[-81.363124,28.627777]
const text = "UPDATE users SET info = JSONB_SET(info, '{geometry,coordinates}', '"+coords+"') WHERE id=$1 RETURNING*";
const values = [id];
pool.query(text, values, (err, res) => {
if (err) {
//log errors
console.log(err.stack);
//return error to client
} else {
//success
console.log('%o', res.rows);
pool.end();
}
});
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